Eminem released The Slim Shady LP in February 1999. Although it was one of the year's most popular albums (certified triple platinum by the end of the year), he was accused of imitating the style and subject matter of underground rapper Cage.
On February 23, 2010, Facebook was granted a patent on certain aspects of its News Feed. The patent covers News Feeds in which links are provided so that one user can participate in the activity of another user. The sorting and display of stories in a user's News Feed is governed by the EdgeRank algorithm.