For example, if you are a carrier of the cystic fibrosis gene (which is included in the Pathway test), and if your spouse is also a carrier, then as a couple you have a 25% chance of having a child with cystic fibrosis.

FORBES: Gene Tests For Everyone

Also, if you are combining an e-ticketed flight on Carrier A with a traditionally ticketed flight on Carrier B, on the return leg, you must present the voucher to Carrier B to prove that you have a valid booking on Carrier A to fly out of your next stop.

CNN: Technology: Flight Planning 101

While you can always insert a local SIM card into your phone for use when you are in port, this will not help you if you are on a cruise ship at sea and out of range of a local carrier.

FORBES: Verizon Smartphones And Cruise Ships Don't Mix

Major airlines always have the ability to switch you to another carrier, but they are loathe to do this as it means passing your ticket revenue onto a rival.

FORBES: Hurricane Sandy's Lesson to Travelers: Use A Travel Agent

The mobile carrier is offering iPad 2 and iPad 3 tablets at a discounted price as long as you are willing to take out a two-year contract.

FORBES: AT&T Offers Cheap iPads ... But There's A Catch!

To a Sandbridge chip it doesn't matter if your cellular carrier is Sprint or Nextel or whether you are in Europe (GSM) or South Korea (CDMA).

FORBES: Magazine Article