Nine "Free" Credit-Card Benefits You Don't Know You Have

http://www.huffingtonpost.com/smartertravel/best-credit-cards-for-travel-benefits_b_3084701.html

1.Rental-Car Collision Coverage
2.Common-Carrier Lost Baggage
3.Trip Delay/Baggage Delay
4.Roadside Assistance
5.Accident Insurance
6.Trip-Cancellation/Interruption Insurance
7.Airport-Lounge Entry
8.Concierge Services
9.Referral Services

These are the 9 unknown services that are included on credit cards.