Ever since Google started to work with the Pay Per Click (AdWord and AdSense) the results of research have become increasingly less significant.
A dramatic example:
- if I try "online cosmetic sales" get
236,000 admissions - in the first 20 are only two results content (the first and 19th)
- Ben 18 are directory and expose these 6 advertising Google AdSense
implementation strategies sites optimized for search engines
Realization Landing Page. Pay Per Click Campaigns
Italian directory of sites on search engines first