There are lots of ways to carry proof of a COVID-19 vaccine on your phone, but some US states have developed their own apps, vaccine passports, or portals. Here's the state-by-state rundown. My title ...

Did Apple or Google just add a COVID-19 tracking app on your smartphone? It's a question Troubleshooter Diane Wilson continues to get from viewers and the simple answer is no. If you have an iPhone ...

Jason Cipriani is based out of beautiful Colorado and has been covering mobile technology news and reviewing the latest gadgets for the last six years. His work can also be found on sister site CNET ...

Research shows that 2.14% of possible COVID-19 cases were recorded in exposure notification apps across 26 states, leading to questions about how well the system worked. Of the 26 states that adopted ...