I'll leave aside the comparisons to tent.io, app.net, StatusNet, and many other services...
Considering that most Twitter users seem quite comfortable with publishing their posts for all to see, marketing a Twitter competitor as a post-Snowden measure seems somewhat opportunistic to me, especially when there are many other benefits to decentralized/open Twitter replacements.
Considering that most Twitter users seem quite comfortable with publishing their posts for all to see, marketing a Twitter competitor as a post-Snowden measure seems somewhat opportunistic to me, especially when there are many other benefits to decentralized/open Twitter replacements.