C’mon. After years (and years and years) of headlines blaring “Days ending in ‘Y’ are best for sending email!” you had to see this coming a mile down the road:
Tuesday is the most active Twitter day. One of the most useful data points from the report is that it clears up the common question of which day of the week is the best day to tweet something. Sysomos found that Tuesday stood out as the most popular day for tweets and retweets, followed by Wednesday and then Friday.
This from a worth-reading post on Twitter stats over at Influential Marketing Blog.