27.) Ray Wenderlich [iOS & iPhone Development]

URL: http://www.raywenderlich.com/

Approx. Subscribers: (Google Reader count: 5,948)

Main income source: Store

This is one of those “you need to be an expert” topics that I was talking about above.

Not surprisingly, Ray Wenderlich is and expert and is blog isvery popular for people in the field.

He’s taking his knowledge in a growing topic, displayed his expertise, and uses good blogging practices.

How can he fail?

If you can do the same thing in another topic, how can you fail?