I am not a member of Facebook, and scrupulously do not wish to join it! However, a client of mine has a FB page, and wants me to add a FB "like" button to his website. Is the HTML for a "like" button ...

In terms of sheer impact, the like button was one of the most successful pieces of code ever shipped. But when you examine the quality of that impact, its flaws become glaring. It was summer 2007.