A: hear about or see something that you would pay large amounts of money for.
B: Hear about an awesome idea you would actively invest in.
The origin comes from Futurama Season 6 episode 3.
Johnny: "Hey Bobby, did you hear about the new X Box? It's got compatibility with blu-ray, downloadable content of old console games, no red ring of death, and gives you a handjob every time you win a game!"