How long do you think Twitter will last? Or Tumblr?

I just came across a question from 2007 asking the same thing about myspace and the best answer was "to about 2029 i guess" and its really weird reading this now because we all know what happened to myspace... My question is, will it be the same with tumblr and twitter (the two social medias I think are... show more I just came across a question from 2007 asking the same thing about myspace and the best answer was "to about 2029 i guess" and its really weird reading this now because we all know what happened to myspace... My question is, will it be the same with tumblr and twitter (the two social medias I think are the best representations of 2010's 'myspace')?
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