For example, American Express has a great card with British Airways in which points earned add up to free tickets (they do not, however, count towards your status).

BBC: Insider flight tips from a seasoned business traveller

While primary results and the delegate count work against him, Santorum can exploit his underdog status by continuing to hammer themes at the heart of his campaign -- that only a true conservative can beat Obama and that Romney lacks conservative principles valued by tea party supporters and Christian evangelicals who make up Santorum's base.

CNN: Santorum benefits from staying in GOP race

Instead, Facebook feeds any political commentary in status messages into a text analysis software program, the Linguistic Inquiry and Word Count, which determines whether what you said was positive or negative.

FORBES: From Now On, Your Political Musings On Facebook Are Being Mined