Malicious software targeting smartphones with the Android operating system is becoming more common, with some handsets already infected when they're bought.
Amazon is upping the ante in the streaming-video competition with downloadable videos.
Samsung is juicing up its smartwatch with a circular face and more battery life than the Apple Watch, but it's unknown how many apps will be available for it.
Google is introducing an application that will connect Android smartwatches with Apple's iPhone, escalating the rivals' battle to strap their technology on people's wrists.
Instagram on Thursday broke its square mold with an update that adds portrait and landscape formats to the image-sharing smartphone application.
Facebook on Wednesday began testing a Messenger app virtual assistant that the leading social network said goes beyond artificial intelligence programs already on the market.
Microsoft said Monday its Cortana virtual assistant software was available to users of Android mobile devices.
Google is making a Wi-Fi router as part of its ambition to provide better Internet connections that make it easier for people to access its digital services and see more of its online advertising.