Spotify Unlimited

I have signed up for a Spotify (music) account, a paid one. They have two levels: "Premium" at ten quid per month, and "Unlimited" at five quid per month, which has less features. I find it very humorous that the "Unlimited" account is the one which has limitations. Sort of like cell phone providers, who can with a straight face say that an "unlimited" data plan is defined as 250MB per month...      :-)