Not that relevant to music, but this graph is pretty cool. We ran a really basic text extraction on 11 Million tweets logged by our servers during the past week, and plotted the proportion of messages each day that contain ’ ‘

It’s been corrected for varying popularity of twitter on different days.

Saturday is a happy day, and it’s tomorrow – so cheer up!

I should mention, our sentiment analysis algorithms at musicmetric are rather more advanced than this