[...] So it came as no surprise to this Fool when Yahoo! (Nasdaq: YHOO - News) announced this morning that it would offer smaller Web publishers, especially bloggers, the tools to bring ad content to their sites. The program will center around Yahoo!'s Content Match technology, which ensures that ads run alongside relevant site content.

Yahoo! doesn't say so, of course, but the pitch appears strikingly similar to rival Google's (Nasdaq: GOOG - News) AdSense program.  [...]