Social Fortress cofounder Adam Ghetti wants to protect us all
from our social-media-loving selves.  His company, which
launched at the TechCrunch Disrupt conference today in San
Francisco, makes it so that no matter how you
communicate—Facebook, Gmail, Google+, or Twitter—your stuff can
never be seen by anyone but the intended recipients.
Communications are encrypted so electronic eavesdroppers just
see a bunch of bits. There's a key difference between virtual
private networks and other security tools: If you send a
Facebook message, the copy stored on Facebook's servers will be
encrypted, too, and even Facebook can't decode it.  The company
says that it is targeting both enterprises and consumers and is
free for consumers to use. There is a catch: Your friends and
family have to install a viewer to read your encrypted
messages—similar to the way Adobe Acrobat works.  It's unlikely
to become very popular with consumers because of that.  But it's
true potential is with the enterprise. Businesses can install i