Writing brilliant concepts and explaining a streamlined thought process, and presenting it all in a comprehensive and entertaining way is one of core's greatest skills. Core is good in breaking down complex matters and finding a zen-like pure approach, resulting in elegant simplicity.
Link Roll
Treasure chest of resources related to web development
Online magazine about information architecture and user experience
Developers community site about AJAX, with news, podcasts, showcases, resources, training, event- and job-listings
A set of utilities and controls using DOM scripting, DHTML and AJAX
New social bookmarking site
Independent publication based on exchange and participation
A web gallery for CSS design show cases
A good read for any web developer, involving topics like IA, usability and semantics
Information Architect Tanya Rabourn's blog
Helpful resources for web development