As to your question, it's one of the ways to sell it. If it's that useful, it must be worth buying.
Bob
Seems to be constantly updated on a monthly basis. I wish one can define what is meant by "Free". Its free to download and is only good for a 30 day period, and then you have to buy, if you want it. What good is the 30 day period, if you need to use it AFTER the 30 day period and did not buy?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic