I'd love to be able to go back to an earlier point in my listening to a radio station. Internet radios don't usually do that, but why not? You could be the pioneers!
And/Or I'd really like to be able to see more than the last 4 tracks I've heard. I often listen to radio when I'm studying or cleaning, and I don't think to bookmark what I've heard until a few songs play that I really like, by then I can't see what they are :\
Thanks for the consideration ^_^