In December, Bush announced an agreement between the United States, Britain and Libya for Libya to give up its weapons of mass destruction programs in exchange for the lifting of U.S. sanctions and better relations with the international community.

CNN: U.S. to lift final sanctions against Libya

There is a conflict hiding within every mass legal settlement: In exchange for securing peace with the enemy, plaintiff lawyers must negotiate a little something for themselves.

FORBES: Nextel Labor Settlement Was Great Deal For Lawyers, If Not Their Clients

The entity hosting the exchange has the full mass of gold bricks totalling the holdings of all of the account holders sitting securely in his vault.

FORBES: Irish Stress Tests: Bailout To Cost $99B, Banking Sector To Consolidate

Both tax pros and financial service firms expect the new 1099-B, Proceeds From Broker and Barter Exchange Transactions, to cause mass confusion.

FORBES: Magazine Article

Amit and his co-founder started Tipalti in the summer of 2010 when the president of InfoLinks, an online advertising exchange, told them that mass payments were a pain that needed a solution.

FORBES: Tipalti Simplifies Global Payment Complexity

If a second-rate exchange is first to attract a critical mass of trading, even a better trading system may fail to wrest business away.

ECONOMIST: E-commerce

The writer-producer, whose raw and witty tweets have earned him a mass following, has been drawn into the occasional exchange about "Sons" storylines with a viewer.

WSJ: Twitter Spoilers on The Walking Dead and Other Shows

Last April, the New York Times reported, a new law was passed that requires the Securities and Exchange Commission to lift the ban on mass advertising of private offerings.

FORBES: More Financial Advertising Is Coming

With many roads flooded and mass transit still in disarray, NYSE officials helped trading-floor workers arrange rides and carpools to reach the exchange for the market opening.

WSJ: Questions Cloud Market Reopening