Back in 2005, a Korean company introduced a tiny cube-shaped MP3 player that had more features than the then-dominant iPod Shuffle. The adorable MobiBLU included a voice recorder and an FM tuner, and was a Walmart exclusive item in the United States that came with free Walmart music store downloads. While those songs self-destructed back in 2008, the devices haven’t gone anywhere. You can find them on Walmart’s shelves, often at full price. [More]