On a small scale that could work, but I don't think it would work well at something like consumer smartphones. They could look "bad" twice: 1) if they don't get

On a small scale that could work, but I don't think it would work well at something like consumer smartphones. They could look "bad" twice: 1) if they don't get enough pledges and 2) not being able to fulfill pledges because of too much demand.