Niche Research
Check through the Departments and heading to discover topics.categories and therefore Niche opportunities.
A lot of cost and work goes into publishing a magazine. Therefore a Magazine can equal a profitable niche.
The people at Dummies do a lot or research before publishing a book. So if there is a dummies book be assured it can be a profitable niche.
Discover the current hostest topics/niches being search in Google.
A lot of cost and work goes into publishing a magazine. Therefore a Magazine can equal a profitable niche.
Discover visitor demographics of other sites. Use to check other sites in your niche.