Jeffrey Pfeffer, professor of organizational behavior at Stanford University's Graduate School of Business, argues the "gig economy" is bad for workers -- and that hiring full-time employees and treating them well is the right thing to do for workers and the economy. Plus, he says companies can do this and still make money.

Sara Horowitz, founder and executive director of Freelancers Union and the co-author of The Freelancer's Bible: Everything You Need to Know to Have the Career of Your Dreams - On Your Terms (Workman Publishing Company, 2012), says the freelancer economy is here to stay, but that these workers need protections like health insurance, retirement benefits, wage security and more.