BBC Click’s Paul Carter looks at some of the best of the week’s technology news including:
- Facebook believes the data of up to 87 million people was improperly shared with the political consultancy Cambridge Analytica – many more than previously disclosed
- A wearable device has been developed which allows you to talk silently to your computer
- An inaugural test flight for a postal drone in Russia crashes shortly after take-off
See more at Click’s website and @BBCClick.