Definitely - there used to be a bunch of sites that scraped craigslist and put their listings into more browse-able formats (e.g. Padmapper), but once they got

Definitely - there used to be a bunch of sites that scraped craigslist and put their listings into more browse-able formats (e.g. Padmapper), but once they got too popular, CL started sending C&Ds and filing lawsuits.