Social media has changed sports forever. We ain't never going back. This past week, a young man on the Peninsula announced, via his Twitter feed, his "commitment" to play football at San Diego State. One minor issue: The kid isn't even in high school yet. He's an eighth-grader. He's scheduled to be a freshman at Serra in August. He's a 280-point lineman. Sounds like potential varsity material right out of the chute. We'll see.