For anyone who’s curious how Gmail’s chat widget notifies your browser that a new message has arrived, be curious no longer: here’s a simplified page that demonstrates the method used.

This demo itself is of interest to technical folks, because it demonstrates a way for programmers to work around another frustrating limitation that arises from the architecture of the web—that when an interaction over http takes place between a client (browser) and a server (website), the client must always be the one initiating the connection. Read on…

This last year was one of travel. I was in New York from January to April; back in Waterloo from May to August; then Sydney from September to Christmas. Each time with its own music: unrelated songs but that I’d been listening to them at that time. That’s how I am with music… obsessive. A short list of songs over and over, with high turnover. The result is music that becomes burned into my consciousness, tied to the people and places of a particular time period. Read on…