As I was researching a niche, i came across the mention of google alerts. You are allowed to place any words in the alerts and be notified when a new posting (blog, video, etc.) is found by Google. This is totally automatic.

 Imagine the power of this free tool. You have started selling in a niche and want to keep current to new developments. All you have to go is set an alert and a time frame (whenever a new post occurs, daily, or weekly), and you can continually be up to date on the developments of the niche. It is likely you may be one of the first to blog about the new development in that area.

 Hope this is helpful.