DUBLIN--(BUSINESS WIRE)--Research and Markets (http://www.researchandmarkets.com/research/29729d/2015_craigslist) has announced the addition of the "2015 Craigslist Annual" report to their offering. Craigslist will generate about $381 million in revenue and more than $300 million in profits during 2015, according to a new report. But as the site marks its 20th anniversary, it faces serious new competition and a major security problem. While Craigslist's revenue is growing, the site faces challe