Craigslist - unofficial 3d party client for www.craigslist.com portal. It allows you find whatever you want nearby in modern and convenient way.
Application uses semantic zoom to navigate between hundreds of categories and locations to search in. It also incorporate system search charm in order to provide ability to initiate search even if application isn't inactive.
During browsing postings craigslist tracks which adverts you seen and changes their visibility after the next launch.