Electronic Commerce
They warn of a 'techlash' of advertisers turning on tech giants.
'We are spending tens or maybe hundreds of megawatts on producing something that has no tangible existence'
500 people have already got involved in the project.
Baffled by Bitcoin? Don't panic, here's our handy explainer.
Is this really worth the convenience?
You'll soon be able to buy the KodakCoin.
Every year we produce 1.5 million tonnes of gadget waste.