What is not a concern when using social networks?
A.friending people you haven’t met, but who want to friend you
B.posting a report of extreme weather in your area
C.posting photos of friends without their permission
D.posting about a vacation before you’ve returned home
A.friending people you haven’t met, but who want to friend you
B.posting a report of extreme weather in your area
C.posting photos of friends without their permission
D.posting about a vacation before you’ve returned home