It may be difficult to imagine, but 20 years ago, the Internet was just a novelty -- a means for incredibly smart college professors and researchers to spread information, and for some people to connect through the recently developed World Wide Web. E-mail was not like it is today. The old e-mail systems found at universities or even through accounts offered with the first Internet service providers (ISPs) like Prodigy and America Online were cumbersome to use. Back to the 2010s and things have changed considerable. Where as wired Internet kept us hooked to a desk, today's laptops and mobile devices give us access to friends and on ending entertainment just anywhere via WiFi, 3G and 4G technologies. While we use 3G and 4G data on our smartphones as we're out and move about in the world, WiFi still dominates in the home. And in coffee shops. And libraries. And airports. Thanks to the glut of wireless routers and hotspots, just like the old wired Internet...