get_meta('video') != '' meta name='og:video' content=get_meta('video') meta name='og:video:secure_url' content=get_meta('video') meta name='og:video:width' content='1280' meta name='og:video:height' content='720' meta name='twitter:player' content=get_meta('video') meta name='twitter:card' content='player' meta name='twitter:player:height' content='720' meta name='twitter:player:width' content='1280'

This interview with Vinod Khosla is from Y Combinator's How to Build the Future series