Amazon shuttering Unbox on March 29th; download your movies now Once upon a time, Amazon had a product called Unbox that let its customers download rented and purchased movies to their desktop and play them, even when offline. It was a convenient way for travelers to consume content when on the go since you usually can't stream video on a plane or train. Then last month, Amazon seemed to start shifting away from Unbox and over to it's Instant Video platform. Links to download Unbox vanished from the website, and CSRs provided conflicting information on whether it was available or...