Data Thief Snuffed Out by Craigslist.<p>The barrier to entry in the classified ads space is the same as every other space - attracting advertisers.<p>You don't get to steal somebody's advertisers just because you have a prettier interface and attracting them to your site is hard.
There is a commentary on this article also on HN at <a href="http://news.ycombinator.com/item?id=4309692" rel="nofollow">http://news.ycombinator.com/item?id=4309692</a>