Before Engadget was born, the late '90s saw a rising fear of the millennium bug, not to mention the advent of the first true e-readers. As time went on, e-ink technology on these devices improved, and despite the subsequent rise of tablets, e-readers have persisted thanks to their retina-soothing displays and generally affordable prices. Now, millions sit on bedside tables and in commuters' bags worldwide. Their popularity, however, has given rise to whole new branch of niche e-readers with tiny memories capable of holding but a single text. Join us as we delve into this fledgling fad and ask whether such low-cost hardware ca