One of the worst things about managing music playlists is adding new songs when we hear them. Sure, once we've identified them, we can always track the song down by name, but that can turn into a lot of manual labor. If we've learned anything from the popularity of music subscription services, it's that we want things to be quick, simple, and convenient. Rdio and Shazam agree, and they are doing something about it.
To those who can access it (read: U.S. users), the Amazon Appstore may seem like one of the best things since sliced bread - it trumps Google's own web-based Android Market in almost every way. One of such differentiating features is the Goldbox-like Free Premium App of the Day concept that, like Groupon and its competitors, was introduced to provide great deals to consumers and giant spikes in traffic to app developers.