As a Google-made OS that ships with a suite of Google apps, you might expect Gmail or Google Maps to be the favorite service Android users have running on their handsets, right. Wrong. Once again proving its level of ubiquitousness, Facebook has been ranked by Nielsen as the most used Android app among users aged 18-44. OK, technically it is the second-ranked app after the Android Market, but considering the fact that one necessarily precedes the other we will ignore this for now.
Android Phone, Nielsen Finds Facebook Most ‘Liked' App for Android
