Complex sentence: In early December 2012, Edmodo underwent a style revamp to attempt to provide easier browsing, emoticon responses to assignments, and the addition of two apps, a photo editor and SchoolTube, an educational video site.
Split into simpler sentences: In early December 2012, Edmodo underwent a style revamp. It now includes easier browsing, emoticon responses to assignments, and the addition of two apps, a photo editor and SchoolTube, an educational video site.