Every major social media platform has a "like" button. It's a core part of Internet culture and a simple measuring stick to determine how popular a piece of content is. But even though it seems obvious today, it wasn't such an obvious way of judging content in the early days of social media.

In this special holiday mini-episode of Web Masters, Aaron shares the story he learned from Jakob Lodwick, founder of Vimeo, about where the "like" button came from and why it worked so well.