In the Internet world, especially in Silicon Valley, everyone is at the ready all the time, and turnaround is relatively short, if not instant.
YouTube provides a unique opportunity for all musicians to market and promote their music and directly engage their fans.
There's something very satisfying about creating a tactile product.
The telecom industry pretends like it's not getting paid.
Launch your product or service before you have funding. See how people respond to it before you have a PowerPoint and business plan - have something people can use, and go from there.
I think a lot of people may have a unique insight or some idea that they feel could be a great solution for a particular problem, but for some reason never have a chance to try or never have the courage or maybe the self-doubt. Really, it's best just to remain naive and continue to work on things and see if people have the same problems.