Visiting Prineville: OSL Tours Facebook's Open Compute Data Center If you’ve been following the news, you’ve likely heard of the Open Compute Project, Facebook’s project to build the most efficient data center at the lowest possible cost and to share their knowledge with other companies. Last Friday, Facebook opened the doors of their Prineville, Oregon data center, inviting a host of dignitaries and members of the press to tour this newly opened facility and learn more about the Open Compute Project.