“It’s like riding a bike” — you never forget. In Owen’s case, millions of YouTube fans will never forget his first bike-riding experience.

On Wednesday, Facebook founder and CEO Mark Zuckerberg ushered Belle Haven Community School’s eighth grade class from Menlo Park, California onto high school with a few nuggets of wisdom (Sheryl Sandberg, Facebook’s COO,gave the commencement address at Barnard in May).