Tech Firms Bet Apps Can Help Trace Coronavirus Cases. But the Apps Face an Uphill Climb.

Press/Media: Expert Comment

Period	May 20 2020

Media coverage

Title	Tech Firms Bet Apps Can Help Trace Coronavirus Cases. But the Apps Face an Uphill Climb.
Media name/outlet	Yahoo! News
Country/Territory	United States
Date	5/20/20
URL	https://news.yahoo.com/tech-firms-bet-apps-help-193751802.html
Persons	Baobao Zhang