Just a note for the World War I buffs amongst you - there's quite an interesting plan by Oxford University to crowdsource a livetweet of the Battle of Arras. More info here: 
<a href="http://ww1centenary.oucs.ox.ac.uk/?p=253">http://ww1centenary.oucs.ox.ac.uk/?p=253</a><div><br></div><div>I&#39;m planning to take part and other Wikimedians would be very welcome. </div><div><br></div><div>You might notice that the organisers have taken a licensing approach of putting the eventual resource they are creating from this initiative under CC-BY-NC, but nevertheless encouraging participants to digitise their own materials and put them on Commons. So that&#39;s 50% right ;-)</div>
<div><br></div><div>Chris </div><div><br></div><div><br></div><div><br></div>