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TellyAdder is the latest project from the guy that brought you Adder Robot. And what does TellyAdder do? It will get you friends on the other big network--YouTube, that is.
TellyAdder is a friend bot designed for YouTube. It will gather user ID's on any YouTube page, and you pick which ID's you'd like to use. From there, automated friend requests, comments and messages can be sent out to these users. A log is kept so that duplicate messages aren't sent out to the same user. The purpose of TellyAdder is to get a user more friends by spamming the rest of us. Data is also extracted from the Google index to find new users. A license will cost you $40, and a downloadable demo version is available for free.