Unlike other sports, whose increasingly high ticket prices provide a barrier for many people and which result in a narrower range of spectators, racing lets its patrons in the door for a nominal fee and then lets them decide how much they want to spend to support the sport, in the form of how much they wager.

FORBES: Building A Better Racetrack Is Not A Losing Bet

Android recently crossed the 50% global market share barrier in the mobile OS market helped by both its wide range of manufacturer-partners as well as its free and open source roots.

FORBES: Google's Mobile Search Becoming More Valuable Than Traditional PC Search

In addition, EPA's and USDA's relevant authorities cover a range of natural resources and their supporting ecosystems, including waters, sediments, barrier islands, wetlands, soils, land management, air resources, and drinking water supplies.

WHITEHOUSE: Executive Order -- Gulf Coast Ecosystem Restoration

The bastion of its long-guarded independence is the mountain range known as Picos de Europa (the Peaks of Europe), a vast natural barrier sheltering the region from the south.

BBC: A culinary pilgrimage along the Way of St James