Taxpayer money was used to pay influencers to promote Test and Trace.
Gertrude the pig is a prototype of a brain-to-machine interface.
Remote streaming services may be the future but could cause a sharp rise in emissions, a study shows.
BBC Click’s Omar Mehtab looks at some of the best technology news stories of the week.
Kevin Mayer is leaving after two months at the video-sharing app at the centre of US-China tensions.