নিচের কোন ওয়েবসাইট আউটসোর্সিং এর কাজে ব্যবহৃত হয়?

Upwork, formerly Elance-oDesk, is an American freelancing platform where enterprises and individuals connect in order to conduct business. In 2015, the Elance-oDesk merger was rebranded as Upwork and the company's full name is now Upwork Global Inc. Upwork is currently based in Santa Clara and San Francisco, California, though it serves clients around the world.
Source: Wiikipedia