Show HN: Search Engine That Pays Your Student Loans for FREE. Over 1000 Users
browseu.com
browseu.com
I'm not very into this advertising mumbo jumbo, but you might be wrong here, since Google have AdWords/AdSense on couple more sites than the search pages. :)
Long story short, there were these companies that either had a browser add-on or a stand alone app that filled 10-30% of your screen with ads, for which you were paid by hour.
Some networks were so successful they even give free PCs :)
- https://en.wikipedia.org/wiki/Pay_to_surf - http://edition.cnn.com/2003/TECH/ptech/12/17/free.pc.reut/ - http://www.angelfire.com/pe/home4u/cl204.html