You can set notifications to find out when your collaborators have modified your spreadsheets, and learn what sheets or cells they've modified. You can also choose how often you'd like to be notified.
If you are getting a vast number of email notifications sent by your Twitter account and they started to annoy you, this is how you disable and manage them.
If you are using Facebook social apps for watching videos, reading content and you don't want your friends or everyone to know about your activity, you can turn this off.
Kevin is a very resourceful 15-year young boy from Sierra Leone, who make electronic devices by himself using spare parts from trash. His skills were also noticed by the famous MIT, watch his inspiring story.
