the ftse 100 just about into positive territory, being helped by shares of wh smith, positive tradingthat waiting at train stations with the disruption of the timetables, who knows? smurfit kappa group. the disruption of the timetables, who knows? smurfit kappa groupm sounds like a cartoon. it is actually europe was met leading corrugated packaging maker. you learn something new everyday. i shall talk to you again a little later on. as our lives increasingly move online, more and more of our information is held in vast data centres, which consume large amounts of electricity. now in an experiment designed to work out how to improve energy efficiency, microsoft has sunk a small data centre in the sea, off the coast of orkney. our technology correspondent rory cellan—jones explains. ever uploaded a photo, updated your facebook status, or maybe streamed some music? if so, you've probably used a data centre, where vast amounts of our personal information are now stored. but what if you could put all of that underwater? up in orkney, the tech giant microsoft is trying to do just that. this