From the official site: "As surprising as it sounds, there's currently no easy and effective way to transfer a file to a friend via Facebook. Pipe has taken a common feature of communication - attaching a file - and turned it into something simple and fun to use.
Privacy is guaranteed as it's a direct connection from one device to the other, between friends.
Pipe creates a direct, real-time connection between two devices with no intermediary server.
Pipe starts as an application on Facebook, and is then migrating to mobile devices and tablets.Support for any file format, up to 1GB Only the sender needs to be on Pipe Invite a friend to Pipe with a simple file transfer Direct connection with no intermediary server
Find out more: www.usepipe.com
Via Robin Good