Our weekly news round-up: How to find out what Apple and Google know about you; Alan Bean, 4th man on the Moon, dies aged 86; German scientists debunk NASA's EM-drive propulsion claims; Apple AirPlay 2 lets you stream music to a wide variety of 3rd party speakers; Amazon Alexa records private conversation and sends it to a random contact; Hours after EU's new General Data Protection Regulation laws took effect, Facebook, Google and others were accused of breaches; South Australian government will honour Tesla virtual power plant project of previous Labour government.