Complex sentence: By September 24,2014, over one million Twitter messages incorporating the Gamergate hashtag had been sent, while a "Newsweek" and Brandwatch analysis found more than two million Twitter messages between September and October 2014 with many coming from newly created accounts.
Split into simpler sentences: By September 24,2014, over one million Twitter messages incorporating the Gamergate hashtag had been sent. A "Newsweek" and Brandwatch analysis found more than two million Twitter messages between September and October 2014 with many coming from newly created accounts.