Pick a niche, any niche.

youtube.com has 36,000 videos when i searched for
"how to make money"

80 videos on "how to build a log cabin"

4,700 on "stock market"

405 videos on "rogue traders", my favorite Australian band.

1,610 on "billy ray cyrus"

36,400 on "ron paul"

53 on "obama girl"