Venkatesh Rao@vgrGreen celluloid eyeshades for accountants were about fluorescent lights apparently. https://en.m.wikipedia.org/wiki/Green_eyeshade…7:21 AM · Jan 5, 20161 Retweet2 Likes
Justin Cormack@justincormack·Jan 5, 2016Replying to @vgr@vgr thanks for that. Saw a barista wearing one the other day and couldn't remember details...