Upwork CEO Stephane Kasriel predicts, "The future is much more independent than the past." Kasriel is well worth listening to in this regard, considering he runs the world's largest freelancing website, one that counts five million businesses and twelve million freelancers among its users. There are three main parts to a freelancer's working life, Kasriel says: getting new business, actually doing the work, and doing administrative tasks like invoicing and filing taxes.