Kottke.org is the best damn blog on the internet. Jason has been writing online longer than anyone, and his site is still consistently interesting.
This essay by Frank Chimero is my guiding light for working on the web.
One of my favorite pieces on generative art.
Soroush's site (and his talks) taught me more as an iOS developer than any other resource out there.
Federico and his crew run the best Apple site on the web, with a focus on using iOS to get work done.
The best spots in any city, curated by designers and studios with great tastes.