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
How to Start a Revolution several of Sharp's lectures. The app is supplemented by analysis and satellite mapping which is offered up to the viewer while watching the film. A "Revolution Monitor" is also included which fuses Google Earth maps with Twitter displaying tweets and YouTube links from revolutionary groups and individuals when countries of interest are touched by the viewer. A review by The Peace & Collaborative Network described the app as "simply a must-have among peace studies scholars, those actively working to start or reorganize revolutions, or anyone who is interested in the logistics, history, and outcomes of nonviolent revolutions" The "How to