A few months ago I had a Eureka moment when I finally understood how valuable Twitter could be. I mostly use it for finding out local information, headline news, and information relating to open access (such an interesting life I lead).
There are 2 people whose tweets I particularly look forward to reading: Greg Jenner (@greg_jenner), the Horrible Histories historian, and Jon Tennant (@Protohedgehog) who is "PhD-ing with dinosaurs".
Jon Tennant is a great 'open' advocate; this is how science should be! On his blog he talks about the Palaeobiology Database:
The Paleobiology Database seeks to provide researchers and the public with information about the entire fossil record. It has expanded continuously since 2000 thanks to the efforts of 340 paleontologists from around the world.
He uploaded his 9 month PhD report to Figshare and, via Twitter, has massively increased my knowledge of, and interest in, open science.
Jon Tennant, I salute you!