Complex sentence: On March 1,2008 NewsFire became freeware, but since the release of NewsFire 2.0 to the Mac AppStore on February 3,2011, NewsFire is not freeware anymore.
Split into simpler sentences: On March 1,2008 NewsFire became freeware. Since the release of NewsFire 2.0 to the Mac AppStore on February 3,2011, NewsFire is not freeware anymore.