If you're a techie or gadget geek, you know that Las Vegas is the scene this week of the Consumer Electronics Show, where devices we never dreamed would be possible are enjoying their debut. A new Gallup poll says Americans' "tech tastes" are changing with the times. Sales of desktops and laptops are falling as tablets and WiFi soar. If you're still carrying a basic cell phone instead of a smart phone, you're among the 45% who still do. Surprisingly, 58% of those polled say they still have a VCR. Andrew Lih is Associate Professor of journalism at American University and author of The Wikipedia Revolution.