Figure 4 - uploaded by Chris D. Impey
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World-wide quarterly smartphone market share by operating system. The Android and Apple iOS operating systems now control over three quarters of the market. Data from Gartner, Inc. 2008-2012.
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This year we implemented Teach Astronomy (www.teachastronomy.com) as a
free online resource to be used as a teaching tool for non-science major
astronomy courses and for a general audience interested in the subject.
The comprehensive content includes: an introductory astronomy text book
by Chris Impey, astronomy articles on Wikipedia, images from t...
Context in source publication
Context 1
... mobile information environment is evolving very rapidly ( Purcell et al. 2011). Two smartphone operating system platforms have taken the lead in the market over the past few years, Google's Android and Apple's iOS. Figure 3 shows world-wide quarterly smartphone sales by operating system based on data from Gartner, Inc, and Figure 4 shows the world-wide quarterly smartphone operating system market share, from the same source (Gartner 2011). Smartphones running the Android operating system account for over 55% of all smartphone sales. ...
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