For personal growth, and scratching your own itch? Certainly! I think just about everybody who has learned to use rand() functions and arrays has built this fo

For personal growth, and scratching your own itch? Certainly! I think just about everybody who has learned to use rand() functions and arrays has built this for his or herself at least in some incarnation. Basing it on past CC transactions to build choice is an interesting though.. so is foursquare check-in data?