People being very active on the social web may loose the overview about their abonnements of apps and given permissions. To manage the abonnements and subscriptions at various social networks two simple but useful tools have been launched to easily access apps and email notifications subscribed to.
mypermissions.org enables the easy access to the web apps in use at various social networks. The service is giving an easy overview and may remind to check subscriptions by monthly email.
notificationcontrol.com is similar and enables to do the same concerning the management of email notifications.