Summary: New products unveiled at IFA in Berlin, Sony, Samsung and LG all rolled out new smart watches, wearables and TVs, we chat with Calum MacDougal - the Sony Xperia head of marketing, Bose QuietComfort 25 noise cancelling headphones, ChugPlug portable battery for MacBook laptops and the nude celebrity photo theft from iCloud and how you can ensure your own data is safe in the cloud in the Tech Guide Help Desk
