Elance, ODesk and Guru are trying to the “eBay of Outsourcing”. The idea is great but there are fundamental flaws in this model: Most of the bidders on those sites are typically freelancers, self employed and work at home. The reliability and quality of service are highly unpredictable. Elance, ODesk and Guru are just middlemen or marketplace so they have no control about the bidders at all. Serous business can’t depend on freelancers for outsourcing. Read more here: http://www.bpovia.com/blog/bpo/why-bpovia-virtual-assistant-firm-is-better-than-elance-odesk-guru.html