The boundaries between devices shift over time and even these definitions will get kind of tricky.

ENGADGET: A lunchtime chat with Bill Gates at CES

The telegraph and the telephone, followed by the airplane and radio, empowered corporations to vault national boundaries, conduct their business globally--and shift their wealth to the least onerous tax system.

FORBES: Malone's Musing

Fugitive resources tend to shift toward governance rules, Smith said, because it's so hard to figure out the exact boundaries of the "property" and what it's worth.

FORBES: Magazine Article