On principle, I don't recommend buying stuff to get free stuff. It makes far more sense to just save up for those vacations and airline tickets; you wouldn't advise your kids to earn enough tickets for a bouncy ball at the arcade--it's far cheaper to just buy it at the dollar store.

Following your favorite brands on Twitter can be the best way to stay on top of their latest products, get customer support and see what their latest deals and coupons are. We reviewed a weeks worth of tweets from over 150 shopping brands to bring you 70 that are worth following.