SEO and your quality score - how does your optimization change (or not change) your quality score. Remember the higher your quality the 'cheaper' your pay per click campaign.

http://searchenginewatch.com/3641337

An excellent case study on persistence in your business - http://www.associateprograms.com/articles/971/1/Case-Study-Reducing-Debt-Makes-Money-for-Debt-Tipscom/

Have a WONDERFUL weekend.