If youre using Google Feedburner feeds for your blog or other site (or youre willing to switch to using them), you can now include AdSense ads into it. The service had been tested with some publishers before but now its apparently live for more. As feeds grow in features, the lines between normal HTML and the feed format may become more blurred... and the original reason why people switched to feeds " easy uncluttered updates, and perhaps ad-free content, among other reasons " may become less of a motivator one day.

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