I have been toying with blog writing since 6 months ago out of personnel interest in programming, and would never thought that my free time interest can indeed generate some income by simply placing Google Adsense advertisements.
For the first three months, my earning was a mere $7.29, but it went up slowly in the last three months, and I broke the $100.00 barrier in mid of January 2009.
Since then, I have been waiting to see whether I can really get the money earned. After waiting for around one month, I finally see something interesting appear in the "Payment History" page. A "Payment in Progress" line has been added to the Earning and Payment Summary.

Hopefully I can really cash out the money in these few days. I will definitely share my experience after that.