Here’s the CSS and markup you need to make third-party iframes responsive. Handy!
Oh, no! How horrid! Now Twitter won’t control the “user experience” of that widget!
Instead, the person who actually posted the tweets in the first place gets to decide how they should be displayed. Crazy idea, isn’t it?
Standalone embeddable widgets from Google that you can drop into any web page. The maps widget finally frees the maps API from the tyranny of coupling a domain with an API key.
The slides from Richard's superb Skillswap presentation.
A handy little tool to turn video embedding markup into valid XHTML.
Here's some clever CSS: one YouTube video inside another YouTube video. Press play on both.