Facebook is beefing up its data center in Prineville, and it will soon become the biggest data center in the country. The social media giant plans to add two new buildings to its Prineville campus of 11 buildings that will make it the size of almost 80 football fields. Construction is set to get underway next month, with completion slated for 2024. Prineville Mayor Jason Beebe says he thinks the expansion will help to woo other businesses to his city.