The deal was stock and cash, so it is pretty much impossible to judge how good a deal this was for Dropbox[1]. Stock is a very cheap way for a company to acquire another.<p>[1] <a href="http:&#x2F;&#x2F;techcrunch.com&#x2F;2013&#x2F;03&#x2F;15&#x2F;mailbox-cost-dropbox-around-100-million&#x2F;" rel="nofollow">http:&#x2F;&#x2F;techcrunch.com&#x2F;2013&#x2F;03&#x2F;15&#x2F;mailbox-cost-dropbox-around...</a>