1. Anatomy of a Typeface: Before I discovered this site I knew only two anatomical features of a font – serif and sans serif. Now I’ve learnt two dozen more.
2. Gpanion is an easy to use and customizable dashboard of all Google applications you use.
3. BBC World Service Documentaries: Hundreds of documentaries in a downloadable format on various topics ranging from arts, business and culture to drama, science and sport. A pure gold mine.
4. Google Internet Stats is a page where you can find a bunch of odd statistics about the world, collected from a number of sources. You can browse through the different categories like technology, consumer trends, media consumption and so on, get random stats, search for stats, or submit your own statistic.
5. WolframTones lets you create unique tones which you can use as ringtone for your cell phone. WolframTones works by taking simple programs from Wolfram's computational universe, and using music theory and Mathematica algorithms to render them as music.