Peter Kafka at All Things Digital's MediaMemo is reporting about a startup focused on advertising from the CAPTCHA. Solve Media aims to take a web element, which already requires user attention (the CAPTCHA) and monetize it through advertising. It's really not a bad idea, but it's not exactly a new one either. We've seen examples of this in the past, though I can't honestly say I've encountered it much in everyday web browsing. Last year,