How to Get a Free Lunch

Earlier today, I received a notice that a certain restaurant chain was interested in providing me with some free meals in exchange for reviews and tweets about them. When I shared the news with a friend, they asked “how can I get a free lunch too?”

Here’s the secret:there’s no such thing as a free lunch.

What they didn’t really understand was that the lunch wasn’t just given, it was offered in exchange for some promotion. However, that offer would not have even been extended if I didn’t spend t...