Teenage Overload, or Digital Dexterity? But now that more than half of American households have computers, the younger generation has steadily been sharpening its skills. While many adults are perfectly adept at, say, toggling between e-mail and a spreadsheet, perhaps with a phone conversation or two thrown into the mix, teenagers can multitask many of their elders under the table, juggling a half-dozen activities without missing a beat.