Twitter #Thatsafrican and #thingsdarkiessay hashtags after users complained that they found the hashtags offensive. There are allegations that Twitter removed #NaMOinHyd from the trending list and added an Indian National Congress-sponsored hashtag. There are numerous tools for adding content, monitoring content and conversations including Twitter's own TweetDeck, Salesforce.com, HootSuite, and Twitterfeed.com. , fewer than half of tweets posted were posted using the web user interface with most users using third-party applications (based on an analysis of 500 million tweets by Sysomos). In June 2009, after being criticized by Kanye West and sued by Tony La Russa over unauthorized accounts run by
Billboard Twitter Real-Time For Twitter, it was a follow-up to its failed Apple "#music" app, launched in April 2013 to track music on Twitter, which intended to acquaint users with new acts and see what their contacts were listening to. The app had a "Popular" page, showing music trending across Twitter, and an "Emerging" page, showing "hidden talent found in tweets." On March 21, 2014, the "Twitter Music" account wrote that the app would discontinue on April 18, and said in another tweet, "We continue to experiment with new ways to bring you great content based on the music activity we see every