Check out the iPhone’s “concierge” feature. Exposure notifications for Covid. I can think of a thousands notifications I'd prefer before this one.... Ice cream parlor two streets away! Slow down, lady in a black Escalade with road rage and PMS just a half 1/2 mile in front of you. You kids are really grumpy, make a U-turn ahead. Covid sure has provided many new ways to digitally track citizens, hasn't it. Speaking of "digital" attacks, did you hear about the "new and improved" swabbing method out of China?