Freenters is a startup that provides ad-subsidized printing through its virtual print driver software. In fact, users receive a full page ad on every first page and then after every 5 pages of the document printed using the driver and are rewarded for such ad exposure with cashable credit. With the prototype of the software, Freenters has provided 800,000 pages of ad-subsidized printing to 13,000 students across Chicago, Boston, and New York.