Keeping track of common files by using a lot of computers and mobiles all through the day may be hard. A good example is when you synchronized your mobile and computer devices. If you check an email using your computer, it will also appear in your smartphone. This will be a lot easier to track your email through both of your devices than having not to be synced at all.
The operating system controls hardware and soft
Answer:
face book is an interactive website, because you can interact with the content such as give a like or comment.
Make private accounts on defiant servers
