Through 9/2 get a free $5 Amazon Instant Video Credit by connecting your Twitter account with Amazon. This is enough to watch up to 5 streaming movies (even new releases). This will set your account to automatically follow @amazonvideo and @amazon_movies. The message "I just got a $5 credit for instant movies and TV shows @amazonvideo. Click http://amzn.to/oXQePf to get yours. #get5" will be automatically tweeted from your Twitter account. There is no sales tax (except in KS, KY, ND, NY, and WA).