Originally Posted by u-Bob

Google AdSense has quietly added a new term to all AdSense referrals generated by a publisher. They have now instituted a 90-day time limit on that referral, meaning a referred publisher must earn the $100 within the first 90 days, before the referring publisher is eligible to earn that $100 for a completed AdSense referral.

http://goog-ipo.blogspot.com/2006/01...o-include.html