The New York Times: “The early models of e-book readers, created about 25 years ago, weighed more than a pound and needed to be connected to a computer. Those clunky slabs paved the way for the modern, lightweight devices that can download the latest best sellers and old classics (which are often free) in mere seconds. E-book hardware and reading apps continue to evolve, so if you’re looking to upgrade your device, find a gift idea or get started reading electronically, here’s a guide…”