<p><a style="margin: 12px auto 6px auto; font-family: Helvetica,Arial,Sans-serif; font-style: normal; font-variant: normal; font-weight: normal; font-size: 14px; line-height: normal; font-size-adjust: none; font-stretch: normal; display: block; text-decoration: underline;" title="View KPCB Internet Trends (2011) on Scribd" href="http://www.scribd.com/doc/69309864">KPCB Internet Trends (2011)</a><iframe src="http://www.scribd.com/embeds/69309864/content?start_page=1&amp;view_mode=list" width="100%" height="600" scrolling="no" frameborder="0"></iframe></p>        

            <a href="http://beyondbridges.net/wp-content/uploads/2011/10/dropbox.png"><img src="http://beyondbridges.net/wp-content/uploads/2011/10/dropbox-150x150.png" alt="" title="dropbox" width="150" height="150" class="alignleft size-thumbnail wp-image-851" /></a>

Other companies on the list; Facebook, Zynga, Groupon and Twitter are also on there for the same reasons. So rather than just question Dropbox – why not the others ?

Read more here : Is Dropbox Really The World’s 5th Most Valuable Startup?.

Business Insider estimated the value of Dropbox at $4 billion, based on its latest funding round at the end of August.