But most other manufacturers have learned to accept occasional arbitraging by grey marketeers.

ECONOMIST: Parallel imports

They started out arbitraging U.S. equities markets with a zero risk strategy where they would buy and sell simultaneously and lock in a profit.

FORBES: Firms Look to Event Driven Trading for Greater Alpha

At the very least, the efficiencies created by the greater stability and predictability will release human capital currently devoted to arbitraging the instability of government monopoly currency.

FORBES: Private Currency Competition Is The Monetary Answer

In its latest operating system update, Apple introduced iMessage, which allows iPhone, iPad, and iPod touch users to send each other unlimited text messages using Wi-Fi or 3G connections (in other words, in the worst case arbitraging the data plan and in the best, using an open backhaul connection for free).

FORBES: The Fall Of The Texting Empire