Much of our computing (including the storage of our personal data) is now being done remotely via something called the 'cloud'. John Naughton gives a brief history of how this radical shift came about, while Stuart Dredge assesses the relative merits of four cloud computing services
Is it time to re-think ownership in a post-scarcity world? Aleks Krotoski delves into the thorny issue of intellectual property in this fortnight's Untangling the Web column.
Thousands of free books will be left all over the UK from this weekend as part of the Guardian and Observer Book Swap - join in by picking up a free book swap sticker in the Guardian and Observer this weekend (or downloading a copy now) and sending a book of yours out into the wild. Find out more on our instructions page and check out all the books left and found so far on the map below. Red pins show where books have been left and blue pins are for found books. Swap away!
12 Mar 2011:
Social network grilled over whether businesses and advertisers could co-opt 'Flickr's worth of photos uploaded every month'. By Jemima Kiss
6 Mar 2011:
Whether it's cat calls, wolf whistles or, in extreme cases, lewd acts, all women encounter street harassment at one time or another. Now a new website, Hollaback!, is encouraging women to share their experiences and expose the culprits. Here, the two women who set up the London branch explain why it's time to reclaim the streets