Google's data center in Council Bluffs, Iowa, houses servers in over 115,000 square feet of space. Connie Zhou/Google hide caption

itoggle caption Connie Zhou/Google

Investors will be betting that Facebook won't make its users so uncomfortable over privacy that they quit. Photo Illustration: Joel Saget/AFP/Getty Images hide caption

itoggle caption Photo Illustration: Joel Saget/AFP/Getty Images