3taps did countersue Craigslist for anti-competitive behavior, and the filing is well worth a read. http://techcrunch.com/2012/09/24/3taps-files-craigslist-cou

3taps did countersue Craigslist for anti-competitive behavior, and the filing is well worth a read. http://techcrunch.com/2012/09/24/3taps-files-craigslist-countersuit-refutes-copyright-infringement-says-craigslist-is-anticompetitive/ http://techcrunch.com/2012/09/24/3taps-files-craigslist-coun... HN discussion: https://news.ycombinator.com/item?id=4567713 https://news.ycombinator.com/item?id=4567713 I doubt PadMapper will join the suit, though.