Android (operating system) top-selling platform in April 2011, overtaking BlackBerry OS with a 31.2% smartphone share, according to "comScore". By the third quarter of 2011, Gartner estimated that more than half (52.5%) of the smartphone sales belonged to Android. By the third quarter of 2012 Android had a 75% share of the global smartphone market according to the research firm IDC. In July 2011, Google said that 550,000 Android devices were being activated every day, up from 400,000 per day in May, and more than 100 million devices had been activated<ref name="i/o 2011 stats"></ref> with 4.4% growth per week. In September 2012, 500
Plug-in electric vehicles in Norway By July 2016, the market concentration had increased to 21.5 registered plug-in cars per 1,000 people, 3.6 times higher California's, the leading American market, and 14.2 times higher than the U.S. average concentration, then the world's largest country market. The Norwegian plug-in electric car market share of new car sales is the highest in the world. The segment's market share rose from 1.6% in 2011, to 3.1% in 2012, and reached 5.6% in 2013. Only the Netherlands, with 5.34% in 2013, achieved a similar market share. In 2014 the overall plug-in car take rate climbed to 13.8%, and reached 22.4%