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Information and communications technology or ( ICT) is extensional term for information technology (IT) that stresses the role of unified communications and the integration of telecommunications ( lines and wireless signals), computers as well as necessary enterprise software, , storage, and audio-visual systems, which enable users to access, store, transmit, and manipulate information.

The term ICT is also used to refer to the convergence of audio-visual and telephone networks with through a single cabling or link system. There are large economic incentives (huge cost savings due to elimination of the telephone network) to merge the telephone network with the computer network system using a single unified system of cabling, signal distribution and management.

ICT is a broad subject and the concepts are evolving. The term covers any product that will store, retrieve, manipulate, transmit or receive information electronically in a digital form, e.g. personal computers, digital television, email, robots. For clarity, Zuppo provided an ICT hierarchy where all levels of the hierarchy "contain some degree of commonality in that they are related to technologies that facilitate the transfer of information and various types of electronically mediated communications". Theoretical differences between interpersonal-communication technologies and mass-communication technologies have been identified by the philosopher Piyush Mathur.Mathur, Piyush (2017) Technological Forms and Ecological Communication: A Theoretical Heuristic (Lanham, Boulder, New York, London), pp. 200-202. Skills Framework for the Information Age is one of many models for describing and managing competencies for ICT professionals for the 21st century.


Etymology
The phrase "information and communication technologies" has been used by academic researchers since the 1980s.William Melody et al., Information and Communication Technologies: Social Sciences Research and Training: A Report by the ESRC Programme on Information and Communication Technologies, , 1986. Roger Silverstone et al., "Listening to a long conversation: an ethnographic approach to the study of information and communication technologies in the home", Cultural Studies, 5(2), pages 204–227, 1991. The abbreviation "ICT" became popular after it was used in a report to the UK government by Dennis Stevenson in 1997,The Independent ICT in Schools Commission, Information and Communications Technology in UK Schools: An Independent Inquiry, 1997. Impact noted in Jim Kelly, What the Web is Doing for Schools, Financial Times, 2000. and then in the revised National Curriculum for England, Wales and Northern Ireland in 2000. However, in 2012, the recommended that the use of the term "ICT" should be discontinued in British schools "as it has attracted too many negative connotations".Royal Society, Shut down or restart? The way forward for computing in UK schools, 2012, page 18. From 2014 the National Curriculum has used the word , which reflects the addition of computer programming into the curriculum.Department for Education,

Variations of the phrase have spread worldwide. The United Nations has created a "United Nations Information and Communication Technologies Task Force" and an internal "Office of Information and Communications Technology".United Nations Office of Information and Communications Technology, About


Monetization
The money spent on IT worldwide has been estimated as US $3.8 trillion in 2017 and has been growing at less than 5% per year since 2009. The estimate 2018 growth of the entire ICT in is 5%. The biggest growth of 16% is expected in the area of new technologies (IoT, , AR/, and AI).

The 2014 IT budget of US federal government was nearly $82 billion.http://www.whitehouse.gov/sites/default/files/omb/assets/egov_docs/2014_budget_priorities_20130410.pdf IT costs, as a percentage of corporate revenue, have grown 50% since 2002, putting a strain on IT budgets. When looking at current companies' IT budgets, 75% are recurrent costs, used to "keep the lights on" in the IT department, and 25% are cost of new initiatives for technology development.

The average IT budget has the following breakdown:

  • 31% personnel costs (internal)
  • 29% software costs (external/purchasing category)
  • 26% hardware costs (external/purchasing category)
  • 14% costs of external service providers (external/services).

The estimate of money to be spent in 2022 is just over US $6 trillion.


Technological capacity
The world's technological capacity to store information grew from 2.6 (optimally compressed) in 1986 to 15.8 in 1993, over 54.5 in 2000, and to 295 (optimally compressed) in 2007, and some 5 in 2014. "The World's Technological Capacity to Store, Communicate, and Compute Information", Martin Hilbert and Priscila López (2011), Science, 332(6025), 60-65; see also "free access to the study" and "video animation". This is the informational equivalent to 1.25 stacks of from the to the in 2007, and the equivalent of 4,500 stacks of printed books from the to the in 2014. The world's technological capacity to receive information through one-way networks was 432 of (optimally compressed) information in 1986, 715 (optimally compressed) in 1993, 1.2 (optimally compressed) in 2000, and 1.9 in 2007. The world's effective capacity to exchange information through two-way telecommunication networks was 281 of (optimally compressed) information in 1986, 471 in 1993, 2.2 (optimally compressed) in 2000, 65 (optimally compressed) in 2007, and some 100 in 2014. The world's technological capacity to compute information with humanly guided general-purpose computers grew from 3.0 × 10^8 MIPS in 1986, to 6.4 x 10^12 MIPS in 2007.


ICT sector in the OECD
The following is a list of OECD countries by share of ICT sector in total value added in 2013.


ICT Development Index
The ICT Development Index ranks and compares the level of ICT use and access across the various countries around the world. In 2014 ITU (International Telecommunications Union) released the latest rankings of the IDI, with Denmark attaining the top spot, followed by South Korea. The top 30 countries in the rankings include most high-income countries where quality of life is higher than average, which includes countries from Europe and other regions such as "Australia, Bahrain, Canada, Japan, Macao (China), New Zealand, Singapore and the United States; almost all countries surveyed improved their IDI ranking this year." In developing countries, ICT development is constrained by limited capabilities and often the objectives of ICT projects are not fully met.


The WSIS process and ICT development goals
On 21 December 2001, the United Nations General Assembly approved Resolution 56/183, endorsing the holding of the World Summit on the Information Society (WSIS) to discuss the opportunities and challenges facing today's information society. According to this resolution, the General Assembly related the Summit to the United Nations Millennium Declaration's goal of implementing ICT to achieve Millennium Development Goals. It also emphasized a multi-stakeholder approach to achieve these goals, using all stakeholders including civil society and the private sector, in addition to governments.

To help anchor and expand ICT to every habitable part of the world, "2015 is the deadline for achievements of the UN Millennium Development Goals (MDGs), which global leaders agreed upon in the year 2000.">


In education
United Nations Educational, Scientific and Cultural Organisation (), a division of the United Nations, has made integrating ICT into education part of its efforts to ensure equity and access to education. The following, taken directly from a UNESCO publication on educational ICT, explains the organization's position on the initiative.
Information and Communication Technology can contribute to universal access to education, equity in education, the delivery of quality learning and teaching, teachers' professional development and more efficient education management, governance and administration. takes a holistic and comprehensive approach to promoting ICT in education. Access, inclusion and quality are among the main challenges they can address. The Organization's Intersectral Platform for ICT in education focuses on these issues through the joint work of three of its sectors: Communication & Information, Education and Science.

Despite the power of computers to enhance and reform teaching and learning practices, improper implementation is a widespread issue beyond the reach of increased funding and technological advances with little evidence that teachers and tutors are properly integrating ICT into everyday learning. Intrinsic barriers such as a belief in more traditional teaching practices and individual attitudes towards computers in education as well as the teachers own comfort with computers and their ability to use them all as result in varying effectiveness in the integration of ICT in the classroom. Blackwell, C.K., Lauricella, A.R. and Wartella, E., 2014. Factors influencing digital technology use in early childhood education. Computers & Education, 77, pp.82-90.


Developing countries

Africa
ICT has been employed as an educational enhancement in Sub-Saharan Africa since the 1960s. Beginning with television and radio, it extended the reach of education from the classroom to the living room, and to geographical areas that had been beyond the reach of the traditional classroom. As technology evolved and became more widely used, efforts in Sub-Saharan Africa were also expanded. In the 1990s a massive effort to push computer hardware and software into schools was undertaken, with the goal of familiarizing both students and teachers with computers in the classroom. Since then, multiple projects have endeavored to continue the expansion of ICT's reach in the region, including the One Laptop Per Child (OLPC) project, which by 2015 had distributed over 2.4 million laptops to nearly 2 million students and teachers.

The inclusion of ICT in the classroom, often referred to as , has expanded the reach of educators and improved their ability to track student progress in Sub-Saharan Africa. In particular, the mobile phone has been most important in this effort. Mobile phone use is widespread, and mobile networks cover a wider area than internet networks in the region. The devices are familiar to student, teach, and parent, and allow increased communication and access to educational materials. In addition to benefits for students, M-learning also offers the opportunity for better teacher training, which lends to a more consistent curriculum across the educational service area. In 2011, UNESCO started a yearly symposium called Mobile Learning Week with the purpose of gathering stakeholders to discuss the M-learning initiative.

Implementation is not without its challenges. While mobile phone and internet use are increasing much more rapidly in Sub-Saharan Africa than in other developing countries, the progress is still slow compared to the rest of the developed world, with smartphone penetration only expected to reach 20% by 2017. Additionally, there are gender, social, and geo-political barriers to educational access, and the severity of these barriers vary greatly by country. Overall, 29.6 million children in Sub-Saharan Africa were not in school in the year 2012, owing not just to the geographical divide, but also to political instability, the importance of social origins, social structure, and gender inequality. Once in school, students also face barriers to quality education, such as teacher competency, training and preparedness, access to educational materials, and lack of information management.


Today
In modern society ICT is ever-present, with over three billion people having access to the Internet. With approximately 8 out of 10 Internet users owning a smartphone, information and data are increasing by leaps and bounds. This rapid growth, especially in developing countries, has led ICT to become a keystone of everyday life, in which life without some facet of technology renders most of clerical, work and routine tasks dysfunctional. The most recent authoritative data, released in 2014, shows "that Internet use continues to grow steadily, at 6.6% globally in 2014 (3.3% in developed countries, 8.7% in the developing world); the number of Internet users in developing countries has doubled in five years (2009-2014), with two thirds of all people online now living in the developing world."

However, hurdles are still large. "Of the 4.3 billion people not yet using the Internet, 90% live in developing countries. In the world's 42 Least Connected Countries (LCCs), which are home to 2.5 billion people, access to ICTs remains largely out of reach, particularly for these countries' large rural populations." ICT has yet to penetrate the remote areas of some countries, with many developing countries dearth of any type of Internet. This also includes the availability of telephone lines, particularly the availability of cellular coverage, and other forms of electronic transmission of data. The latest "Measuring the Information Society Report" cautiously stated that the increase in the aforementioned cellular data coverage is ostensible, as "many users have multiple subscriptions, with global growth figures sometimes translating into little real improvement in the level of connectivity of those at the very bottom of the pyramid; an estimated 450 million people worldwide live in places which are still out of reach of mobile cellular service."

Favorably, the gap between the access to the Internet and mobile coverage has decreased substantially in the last fifteen years, in which "2015 [was] the deadline for achievements of the UN Millennium Development Goals (MDGs), which global leaders agreed upon in the year 2000, and the new data show ICT progress and highlight remaining gaps." ICT continues to take on new form, with nanotechnology set to usher in a new wave of ICT electronics and gadgets. ICT newest editions into the modern electronic world include smart watches, such as the , smart wristbands such as the Nike+ FuelBand, and smart TVs such as . With desktops soon becoming part of a bygone era, and laptops becoming the preferred method of computing, ICT continues to insinuate and alter itself in the ever-changing globe.

Information communication technologies play a role in facilitating accelerated pluralism in new social movements today. The internet according to Bruce Bimber is "accelerating the process of issue group formation and action" and coined the term accelerated pluralism to explain this new phenomena. ICTs are tools for "enabling social movement leaders and empowering dictators" in effect promoting societal change. ICTs can be used to garner support for a cause due to the internet allowing for political discourse and direct interventions with state policy as well as change the way complaints from the populace are handled by governments. Furthermore, ICTs in a household are associated with women rejecting justifications for intimate partner violence. According to a study published in 2017, this is likely because “access to ICTs exposes women to different ways of life and different notions about women’s role in society and the household, especially in culturally conservative regions where traditional gender expectations contrast observed alternatives."Cardoso LG, Sorenson SB. Violence against women and household ownership of radios, computers, and phones in 20 countries. American Journal of Public Health. 2017; 107(7):1175–1181.


See also
  • Cognitive infocommunications
  • Example of Information and communication technologies for education
  • Global e-Schools and Communities Initiative
  • Hospital information system
  • Infocommunications
  • Information and communication technologies for environmental sustainability
  • Market information systems
  • Picture archiving and communication system
  • 21st century skills


Further reading


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