Yahoo concluded the risk of misuse was low so it notified users and encouraged them to reset their passwords themselves.
Facebook was rightly pilloried last fall when it introduced its Beacon service, which notified users' friends — without the users' consent — about online purchases.
But Yahoo recently notified users that it would be shutting down MyBlogLog in May.
Then in October 2010, Facebook relaunched the product as collaboration spaces that notified users of new posts.
Once an alert is received, the mobile alert system is activated (therefore the function "notify user").
Censors frequently notify users that a specific posting "was deleted according to relative laws and regulations".
There's even an urban foraging app, which notifies users of nearby fruiting trees.
It also notifies users when their medications are running low, prompting them to order a refill.
Drummond said Google scrutinizes requests carefully and notifies users about legal demands "when appropriate".
LinkedIn said it did notify users by showing everyone a banner message alerting them that its privacy policy had changed.
