On the show this week Editor of the Guardian's Datablog Simon Rogers joins Charles Arthur and Jemima Kiss to discuss his new book Facts Are Sacred and the evolution of data-journalism here at the Guardian. And we have a special offer for Tech Weekly listeners. You can get a hardback copy of Facts Are Sacred for just £10 sterling, saving 50% off RRP, just go to guardianbookshop.co.uk/facts and use code TECHWEEK10. Offer is valid until 3 May 2013.
Also Charles Arthur speaks to Phil Libin, CEO of the Evernote the multipurpose notes and data application about the future of his fast growing company and his recent tie-in with Deutsche Telekom.
We have a round up of this week's tech news including rumors of a Google bid to buy Whatsapp and how many gadgets the BBC are losing each year.
