It was summer 2007. Facebook was three years old and growing at a heady pace. Originally for college students, it had opened to the public the previous fall. Now it had 30 million users. What it ...

Like Pokémon, it’s fun to try and snatch up every new custom like button in YouTube’s redesign. One user put together an animated list of every new icon. Part of YouTube’s broader new design on ...

The instinct to ‘like’ is not at all new. You have probably not given a moment to thinking about the origin and impact of the familiar “like” button, but it’s pressed more times per day than there are ...