 The Viralheat software found there were 7 @,@ 000 tweets mentioning " Obama " on May 25 , 2009 and 32 @,@ 000 tweets for that week . On April 9 , 2010 , it assessed that 70 percent of comments about Tiger Woods were positive following his return to professional golf after a sex scandal in late 2009 . A sampling collected by the Viralheat software in July 2011 found that 79 percent of tweets about President Barack Obama were positive , while 54 percent of those on Speaker John Boehner were . 
