"John Cannarella and Joshua Spechler ... have based their prediction on the number of times Facebook is typed into Google as a search term. The charts produced

"John Cannarella and Joshua Spechler ... have based their prediction on the number of times Facebook is typed into Google as a search term. The charts produced by the Google Trends service show Facebook searches peaked in December 2012 and have since begun to trail off" as more users started using their phone instead of google to experience the Facebook.