I have been using Twitter a bit more recently and it has been fun to connect with web designers on Twitter and the huge numbers of designers using Twitter. If you are looking for designer to follow on Twitter, here are some links to websites that have created lists of some of the more noteworthy designers on Twitter. And while you are looking at all the designers who twitters, be sure to add me (@ade3) and I will gladly reciprocate.
100 Web Designer’s to follow on Twitter according to Digital Labs
50+ Designers on Twitter according to Vandelay Design
16 Genuite, Authentic Designers on Twitter according to Six Revisions
25 Most Popular Web Designers on Twitter according to Best Web Design Schools
44 Web Designers to Follow on Twitter according to Think Vitamin
50+ Designers on Twitter, Grain Edit’s favorites