Complex sentence: On January 6,2011, Twitter announced through a blog post that the company had also acquired the desktop version of Tweetie, changing the name to Twitter for Mac. Twitter for Mac was launched on the new Mac App Store the same day.
Split into simpler sentences: On January 6,2011, Twitter announced through a blog post that the company had also acquired the desktop version of Tweetie, changing the name to "Twitter for Mac". "Twitter for Mac" was launched on the new Mac App Store the same day.