Second, many use multiple sites to purchase different elements of their trip.

ECONOMIST: Orbitz gets a new owner and a new deal

And tough: The son of a military officer, Chandran received multiple stab wounds fighting off burglars on a business trip to Singapore in 1997.

FORBES: Lighting up Nortel

After running my first half-marathon I was hobbled for six months with achilles tendonitis that required a trip to a sports medicine doctor and multiple physical therapy sessions.

FORBES: Want To Save Health Dollars? Consider Self-Care