WebProNews

Facebook Flyers Pro, the advertising program offered within the Facebook social network, could be a fascinating competitor for AdSense for a few reasons.

If you are an advertiser eager to reach 18-23 year old single males attending the University of Kentucky, with a select group of keywords, and do so at a better bid price than Google offers with AdWords, Facebook Flyers Pro could be of interest.

Seeking Alpha made the obligatory Google-killer suggestion, based on their observations about the Facebook Flyers platform:

An added benefit to advertising on Facebook; the extremely minimal amount of competition (currently). (Your) CTR is almost certain to be lower on Facebook's Flyers platform than AdWords, however the clicks cost much less and from experience, Facebook users are converting at slightly higher rates than AdWords.

Cheaper clicks, higher conversions, and the ability to target the heavily coveted young male demographic (or others, but marketers really love that group) makes Facebook Flyers a program certain advertisers ought to evaluate. That's a tremendous trio of reasons to try out an initiative.

Maybe there is not enough reason to fret for Google's well-being; Facebook Flyers would have to deliver huge conversion numbers to be more than a complementary strategy for the major advertisers out there.

For local advertisers in college settings, it could be too good an  opportunity to ignore. Not enough to kill Google, but potentially enough to send antacid sales upward.