Categorizing tablets has vexed marketers since Apple first introduced the iPad in 2010. Several years into the tablet market’s dramatic expansion, the distinctions between smart devices are becoming clearer.

According to a new eMarketer report, “Key Digital Trends for Midyear 2013: The Fragmentation of Mobile,” diverging use cases on smartphones and tablets herald the end of mobile as a monolithic category. Increasingly, advertising and commerce solutions will need to respond to not just different screen sizes, but also different screen uses.

via Marketers Keep Up with Divergent Behavior on Smartphones and Tablets – eMarketer.