Complex sentence: The Netscape Browser series was succeeded by Netscape Navigator 9 on December 28,2007, however Netscape developers announced that AOL would discontinue the web browser on February 1,2008.
Split into simpler sentences: The Netscape Browser series was succeeded by Netscape Navigator 9. However, on December 28,2007, Netscape developers announced that AOL would discontinue the web browser on February 1,2008.