Google offer Adsense for RSS feeds a few weeks ago. If you setup a new Google ad in Adsense control panel, you might noticed that. To make Adsense money from feed, you must first using Feedburner RSS feed and migrate it to Google account. Once Adsense for Feeds activated, it send Adsense ads into your feeds.
Finally, to set up AdSense for feeds, you now need to visit AdSense at :
and choose the AdSense for feeds option under Manage Ads > Get Ads. (Ads won't appear in your feeds unless you set up new ad units for them there.) You may also visit the AdSense for feeds section of the Google AdSense Help Center:
Below video is the simple way to learn about RSS and making money from it.