You are right. But this example only for research purposes, and gathered data will only stored for short time and without publication, personal information of

You are right. But this example only for research purposes, and gathered data will only stored for short time and without publication, personal information of users are not gathered. And CL team allow any user-agent crawl it by http://www.craigslist.org/robots.txt http://www.craigslist.org/robots.txt If some body want to use this scraper he must ask about it CL team. Sorry for my poor English.