Lockitron: Keyless entry using your phone
relies on  your phone working
  2.4 Ghz
  your internet connection
  your power
  their datacenter
  their website software

to avoid carrying a key?anyone in the area could easily ddos off your wireless more or less permanently by spamming disconnect.doesn't seem like a very good risk/reward ratio to me.whats the problem with a more traditional (read local) keyless approach? door too thick?