If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware.
If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.
But many people are angry that some of their most personal information – their chats – could potentially be compromised as part of the deal with Facebook.
There are two main ways of opting out of the new terms, one of them fairly simply and the other ever so slightly more complicated.
While you might have already turned yourself into a scary rabbit or swapped faces, have you thrown confetti or put on a green filter?