COVID-19 alert app starts beta testing after three-week delay

A Canadian smartphone app meant to warn users if they've been in close contact with someone who tests positive for COVID-19 is now in beta testing. Prime Minister Justin Trudeau said in June that it would be ready for testing just in Ontario starting early this month; the trial to look for bugs and other problems was delayed for reasons the government has never specified. Now the Canadian Digital Service, an agency that puts federal services online, is asking people to sign up and put the app th