Just a simple tuner and antenna will do the job if your local station has a digital over-the-air signal.

ENGADGET: What if your cable provider doesn't have ABC in high-def? HD

Aereo is based on a very simple idea: That over-the-air television, the kind one can get from a regular TV antenna, can be made available over the Internet.

FORBES: Aereo: The future of TV is here today