Spending more time than you’d like using social media? Well, it might as well be educational and actually relevant to what you’re actually supposed to be doing, right? These design- and web-related Twitter accounts will surely enhance your inspiration and creativity:

Design and Branding

AIGA @AIGAdesign – News and commentary from the staff at AIGA, the professional association for design.

Communication Arts @CommArts – The leading source of inspiration for everyone involved in visual communications.

DesignObserver @DesignObserver – Writings on Design and Culture. Edited by Michael Bierut, Jessica Helfand and associated editors.

HOW Design @HOWbrand – HOW helps designers, wherever they work, be more creative, more inspired & more successful. HOW can we help you?

Design Instruct @designinstruct – Design Instruct is a site that publishes articles, tutorials, freebies and news for designers.

Co.Design @FastCoDesign – Welcome to Fast Company’s Co.Design, where business and design collide.

iA Inc. @iA – Musings from Information Architects Inc.

Creative Bloq @CreativeBloq – Daily design tips and inspiration.

Geographic Designer @GeographyDesign – This is the intersection of two nerdy subjects. Geography + design.

Web Development

A List Apart @alistapart
– Since 1998, the design magazine for people who make websites.

Webdesigner Depot @DesignerDepot – Web design trends, tutorials and much more.

Smashing Magazine @smashingmag – Online magazine for professional Web designers and developers.

Codrops @codrops – Useful tutorials, insightful articles, creative inspiration and free resources for web designers and developers.

UX Brainstorm @uxbrainstorm – Online publication of smarticles for UX professionals welcoming opinions from all points of view.

Of course, that’s a drop in the bucket of what’s out there (though some are pretty big drops), so the big question to you is: what did we miss?