Google is adding a 24-hour “cooling-off” period before users can install apps from unverified sources on Android, and it’s a savvy move that addresses the Google is adding a 24-hour “cooling-off” period before users can install apps from unverified sources on Android, and it’s a savvy move that addresses the toughest problem in mobile security today: people, not code. The change preserves Android’s ope... [4944 chars]