&gt; Their future growth is not in getting more users to sign up for the twitter microblogging service, it&#x27;s in other products like Vine and Periscope<p>Are they not past the &quot;growth&quot; stage and very much into the &quot;time to start actually making money&quot; stage?<p>What on earth use is growing 2 more different sharing networks when your first sharing network is at capacity and isn&#x27;t pulling it&#x27;s weight and bringing the money in.