Each day the mainframe settles all transactions via an online link, if it's available, or by a Net 1 agent who picks up receipts, store by store.

FORBES: Great Expectations

But according to Estate Net France, an agent for luxury property on the Riviera, the only effect has been to increase the number of properties on the market and to push prices down slightly, at least for the moment.

WSJ: Europe's Most Luxurious Property

He went into partnership with his former agent, Leonard Armato, to launch Dunk.net, which sold apparel and shoes online in 2000.

FORBES: The Dunk Man

You can get a policy directly from an insurer, through a travel agent or through one of the sites representing multiple insurers, including InsureMyTrip.com and TravelInsuranceReview.net.

FORBES: Travel Insurance Aimed At Active Boomers

While it is impossible to predict a terrorist attack, taking some precautions and preparing oneself should be a priority for all travelers, says Christopher Falkenberg, a former Secret Service agent who now runs Insite Security, a risk management and security consulting firm that services corporations and high-net worth families.

FORBES: 10 Secret Service Survival Tips for Travelers