PayPal has entered the cryptocurrency market, announcing that its customers will be able to buy and sell Bitcoin and other virtual currencies using their PayPal accounts.
A hacking group is donating stolen money to charity in what is seen as a mysterious first for cyber-crime that's puzzling experts.
Google is shutting down its app designed to let friends and family locate each other in an emergency.
Instagram says it will do more to catch influencers who fail to disclose when they have been paid for their posts.
The way Twitter communicated its handling of a controversial article about US presidential hopeful Joe Biden was "unacceptable", its chief has said.
Google's parent company, Alphabet, has unveiled prototype robots that can inspect individual plants in a field, to help farmers improve crop yields.
US Supreme Court nominee Amy Coney Barrett has evaded questions about her views on key issues on day two of her Senate confirmation hearing.
Two misleading ads for mobile games that bear little relation to the actual product have been banned by the Advertising Standards Authority (ASA).
People in Phoenix, Arizona will soon be able to order a driverless taxi, as Google expands its Waymo service.
Facebook has said it will stop running all political and social-issue adverts after polls close in the US presidential election on 3 November.