Frequency Of Mobile Social Network Visits, July 2011 & March 2012 [CHART]

The key opportunity for marketers in the shift toward mobile is that mobile users not only log in more frequently, but they also spend more total time on social media sites. As devices integrate social media more deeply, such as by making it easier to upload photos from a mobile phone to a social site, it reinforces the mobile-social virtuous circle, making it even stronger.

In the US, 60% of smartphone users surveyed by Google in March 2012 reported that they visited mobile social networks daily, up from 54% in July 2011. Read the rest at eMarketer.