Thunderbirds are Go!
Manage a door lock from your smartphone
This mashapp is by Billy Chasen who won first prize in Twilio's Anything Goes contest for this great mashapp idea.
Parallax Spinneret Webserver
The door lock contains its own webserver so it can be unlocked remotely
Twilio SMS Service
Twilio connects your smartphone to the door lock webserver and servo motor (to lock/unlock)
Open/Close by SMS
Using your smartphone you can send an open/close SMS message to the door lock to activate it
Ability to integrate webserver into door structure
No CSF identified