It's similar to how Bruce Springsteen and The Rolling Stones aren't cool, but still sell out stadiums.
Facebook (the company) will probably settle into a stable pattern like the BBC's radio lineup, where listeners roll from Radio 1, to Radio 2, to Radio 4 as they age.
Facebook (the company) will probably settle into a stable pattern like the BBC's radio lineup, where listeners roll from Radio 1, to Radio 2, to Radio 4 as they age.