Android (operating system) and rival Linux mobile operating systems that were in development. These established players were skeptical: Nokia was quoted as saying "we don't see this as a threat," and a member of Microsoft's Windows Mobile team stated "I don't understand the impact that they are going to have." Since then Android has grown to become the most widely used smartphone operating system and "one of the fastest mobile experiences available". Reviewers have highlighted the open-source nature of the operating system as one of its defining strengths, allowing companies such as Nokia (Nokia X family), Amazon (Kindle Fire), Barnes & Noble (Nook),
Plug-in electric vehicles in Germany country through September 2016 were registered since January 2014. , the country had 4,800 public charging stations. The market share of plug-in electric passenger cars increased from 0.12% of new car sales in 2012, to 0.25% in 2013, and reached 0.40% in 2014. As plug-in car sales surge in 2015, the segment's market share increased to 0.7% of new car sales. The German monthly plug-in market share passed the 1% mark for the first time ever in December 2015, with an all-time record market share of 1.28% of new car registrations that month. After the introduction of the purchase subsidy