If you have a webcam built into or connected to your computer, you can talk to other Facebook users face-to-face, with Facebook's video chat feature

Suppose an act of theft performed by a hacker was accompanied by defacement actions to delay discovery. The first act is obviously in the category of  "theft" but the second act is another category-in this case it is a "force of nature."

Answer the following statement true (T) or false (F)

Stacks are known as ________ data structures—the last item pushed (inserted) on the stack is the first item popped off (removed from) the stack.

Fill in the blank(s) with the appropriate word(s).