"What is a Facebook?"
Is there a reason that reading the article was completely out of the question? The answer is easily found there.
Here, I don't mind telling you what it is. I had to find out for myself also. Some people have such attitudes. Probably gave up sex for lent.
"The article rightly notes that giving up something like Facebook for nearly six weeks is a pretty big deal.
"The site, where friends track birthdays, post pictures, check homework, monitor romances and generally gossip, has become the connective tissue of undergraduate life, and ignoring it from Ash Wednesday to Easter is no small sacrifice."