They run two $500 freerolls per day, that are the largest freerolls available with no restrictions, one are at 2:40 PM eastern, as well as the other are at 9:40 PM eastern. At this time, there are 200 poker rooms in the Internet using the biggest one having over 50,000 players. https://www.selfhackathon.com/answered-your-most-burning-questions-on-high-stakes-poker/