The more you look, the more you'll discover that niche ideas are everywhere, all around you!
This is an evolving hot list of resources that are either directly or indirectly useful for anyone who is conducting research into active and emerging niches for publishing.
Work your way through the list, visiting as many of the sites as you can.
Make sure you follow at least one or two of the links from each category on the list, and browse the site thoroughly to get a feel for trends in the marketplace. Remember all you’re looking for at this stage is broad niche topics.
Make sure you don’t just browse aimlessly.
Watch the video on using magazines.com to research a potential niche area:
http://www.authoritysitecenter.com/videos/magazines/.
Apply the same techniques to another online directory of magazines:
http://www.mediafinder.com/.
eBay Auction Big Ticket List - Big Ticket Items with lots of bids
Amazon Movers and shakers List - Books with fastest sales growth over the past 24 hours
Amazon Books Best Seller List - Updated Frequently
Amazon DVD Best Sellers List - Updated Frequently
Amazon Music Best Sellers List - Updated Frequently
Amazon Software Best Sellers List - Updated Frequently
Amazon Video Games Best Sellers List - Updated Frequently
RetailWire - news and discussion of trends in the retail industry
Magazines.com: Huge niche resource on every topic fit for print. Click on browse magazines to get a taste for some niches you probably never thought of before! Clicking on categories gives you a plethora of sub-niches for almost every category.
Technology: Wired, MIT Technology Magazine
Business: Business 2.0, Wall Street Journal, Entrepreneur
General: CNN, MSNBC