A. After 15 minutes.
B. Seven days after the last person views it.
C. When you delete it.
D. Never.
Answer: D.
Most data never gets removed from the Internet. You might not be able to see it in its original locations. You may have a difficult time locating it using search engines. But most data that makes its way onto the Internet will be stored, cached, copied and backed up numerous times. You lose all control of data that is released onto the Internet. To retain control, you must encrypt your data before putting it online. This will limit your data for your exclusive use only, but it is the only way to retain control. Everything in plaintext form is out of your control once it’s posted online.