As Baby Boomers are coming of age, they are finding that they will want RV's. Now if you have an RV, then you are naturally going to require RV service. And if you are on the road, you want to be able to find the nearest RV service center. That's why my friend created a website that will let you find a comprehensive listing of RV service centers.
I have another friend that works on Steinway pianos. He does a lot of piano repair, along with some sales work. My family owns a rebuilt piano that we got from him. I did a speech on his business for my entrepreneurial class.
Occasionally in my free time I will kick around a footbag. Most people don't know the difference between footbags and hacky sacks. But whatever you want to call it, it takes a lot of skill to be very good at kicking around a hacky sack.
Here is another place where you can find some cool resources.