Saw this and thought I would share to get opinions about it.
Is a new technology so there are bound to be skeptics on its ability.
Hydrowave, this high-tech gadget is basically an electronics box that emits noises underwater to simulate a fish feeding frenzy. This in turn should attract predatory fish near to your boat, and well, you know the rest!
Info here >> Saltwater http://www.hydrowave.com/saltwater/index.htm
Freshwater http://www.hydrowave.com/freshwater/index.htm