When my cofounder was finishing his Masters thesis and went dark for a week (no IM, limited email), I would use dropbox to communicate vital things to him. I j

When my cofounder was finishing his Masters thesis and went dark for a week (no IM, limited email), I would use dropbox to communicate vital things to him. I just made a file called "did you remember to sign this", and he would `echo "yes"` into it. Worked amazing well, since it basically gave me a live pipe into his growl notifications.