less costly equipment on site may also have saved in insurance and rooms may have become available for other purposes. 1:1 also enabled going paperless (i.e. publishers supplied cheaper digital versions of teaching materials) and reducing the cost on paper/printers used. No serious study is known of this, at this point. But individual schools have published costs and savings. The use of Google-Classroom software and G suite in general was instrumental in going paperless. It allowed electronic hand-in, grading and returning of projects to groups of students. Microsoft is trying to copy the classroom functionality in their O365 for education. Uruguay's 2007 Project Ceibal Between 2007 and 2016, Project Ceibal was the most successful 1:1 program in the world. It included the right to internet connectivity in school as well as at home besides the right to have a computer "Since its implementation, every child who enters the public education system in any part of the country is given a computer for personal use with free Internet connection at school. In addition, Plan Ceibal provides programs, educational resources and teacher training courses that transform the ways of teaching and learning.". The 2007 decree specified in it desired outcomes "1.2.3. EXPECTED RESULTS: Have covered 100% of children of school age within a period of 3 years with an Internet connection in their Schools as in their homes." By 2009 all 300.000 students were equipped with hardware and all schools had WiFi. By 2013 use of Google-drive and apps were added to CREA and By 2015 95% of urban schools had fibre-optic connections. By 2016 Chromebooks were added to the available hardware. Since the original hardware was Fedora based Uruguay has held the top-spot of Linux uptake for years, according to statcounter. Recent mass uptake in American schools 1:1 Programs in US schools have gained serious momentum somewhere around 2016/2017. In February 2017, edtechmagazine reported more than 50% of teachers reported using 1:1 computing. In March 2017 Futuresource reported Chromebooks had 58% market-share in US-Education. The success of Chromebooks in education was reported on by The New York Times in May 2017. Which explains the success "This became Google’s education marketing playbook: Woo school officials with easy-to-use, money-saving services. Then enlist schools to market to other schools, holding up early adopters as forward thinkers among their peers." In June 2017, CMS-district was reported to be on a 150.000 Chromebooks 1:1 program. It