| Some computers |
| Surfaces, e.g. |
| Tablet ancestors |
| Portable computers |
| Some carry-on items |
| PCs on planes, often |
| Wi-fi terminals, often |
| In-flight work stations |
| Airport security concerns |
| Tray table fillers, often |
| Modern business equipment |
| They're off during takeoff |
| College students carry them |
| Go-with-you-anywhere computers |
| Modern items at many coffeehouses |
| Flight passengers often work on them |
| Items in businessmen's carry-on bags |