<img src="http://tctechcrunch.files.wordpress.com/2010/03/knock1.png" class="shot2">The developer of video streaming phone-to-phone app <a href="http://knockinglive.com/login">Knocking Live Video </a>
<img src="http://tctechcrunch.files.wordpress.com/2009/11/1-133x200.png" width="133" height="200" />As we were all painfully aware, it took AT&T <a href="https://techcrunch.com/2009/09/02/endless-