That's because not all programs provide the same style of award currency at the same rate. (rewardexpert.com)
Once you've decided on your most likely airline, look at partnerships to determine which award currencies you need to collect. (themilesgenie.com)
-- Starwood Points, or Starpoints that can be earned through the Starwood Hotel's Preferred Guest Program are a very valuable and flexible award currency for travelers. (cardsfortravel.com)