Upwork is an online freelancing platform that was formed from the merger of Elance-oDesk. Some key details about Upwork include: - It connects over 4 million clients with over 10 million freelancers from 180+ countries. In 2014, freelancers earned over $940 million through 2.7 million jobs. - Ukraine is the 4th largest market for Upwork globally, with $61 million in freelancer earnings in 2014. Web, mobile, and software development makes up the largest percentage (82.3%) of earnings on Upwork. - To become a top-rated freelancer on Upwork and earn more, freelancers should maintain a job success score of at least 90