Philipp Lenssen at Google Blogoscoped reports that some are seeing Gmail Ads on the Google.com homepage.
Google has started advertising their Gmail service on the Google front-page. You can�t always see it (I can�t); there might be the usual geo-location targeting the US only, or some other randomization.
I am in NY, USA and I do not see it. But someone has:
![gmail-on-google.jpg](https://www.seroundtable.com/archives/gmail-on-google.jpg)
update: Aaron Swartz has more on this....