BBC News – Technology

• Amazon rainforest plots sold via Facebook Marketplace ads
  Protected land reserved for Brazil's indigenous communities is being traded on the social network.
• Bill Gates: Bitcoin not for me, says ex-Microsoft chief
  The billionaire said he preferred to invest in "companies that make products" such as vaccines.
• Npower app attack exposed customers' bank details
  The energy provider, owned by Eon, reports a breach to the UK's data watchdog.
• AI conquers challenge of 1980s platform games
  A computer program that can solve 1980s exploration games could help improve robot intelligence.
• UK 4G smartphone owners may be due £480m payout
  Some 29 million people in the UK could be entitled to up to £30 back on Apple or Samsung smartphones.