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
Black Twitter community, many people outside of said community and within do not understand the need to label it. This can be a subtle way of segregating black people on Twitter. In regards to this concern, Meredith Clark, a professor at the University of North Texas who studies black online communities, recalls one user's remarks, "Black Twitter is just Twitter." Additional criticism of Black Twitter is the lack of intersectionality. One example is the tweets made after the rapper, Tyga, was pictured with the transsexual actress, Mia Isabella. Alicia Garza, one of the founders of the Black Lives Matter movement, explained the