Frequent spenders might want to wear tags in high-end malls that would trigger text messages and videos about sales as they walk the mall.

FORBES: Magazine Article

Neither side looked convincing, Goodwillie lashing a great chance wide and Riordan slipping inside the box at the other end as he was about to pull the trigger.

BBC: David Goodwillie scored the winner for United

At the end of May the smog index rose high enough to trigger extra restrictions on cars.

ECONOMIST: Mexico

And Stokes squandered a great opportunity at the other end three minutes later when he took too long to pull the trigger, allowing Grassi time to block the striker's effort.

BBC: Anthony Stokes celebrates scoring at Pittodrie

Only when that damage appeared likely to trigger a renewed U.S. determination finally to end America's "addiction to oil" have the Saudis seen any need to bring down prices at the pump.

CENTERFORSECURITYPOLICY: Foe, not friend

To trigger a melee attack, we simply moved the gun's end towards the screen as if we were bashing an opponent.

ENGADGET: blogger-avatar

To that end, make schools sign contracts which indicate that a loss of institutional control will trigger financial penalties as large as 10% of their most recently posted athletic budget.

FORBES: Financial Penalties, Law Enforcement, NFL Involvement Would Reduce Cheating in College Athletics

At the end of this year, Facebook is expected to have five hundred shareholders, which will trigger S.E.

NEWYORKER: A Woman��s Place

Now the upscale retailer can push mobile or desktop ads specifically to Facebook users who regularly spend on high-end apparel or those who looked online at making a clothing purchase but didn't pull the trigger.

WSJ: Buy Signal: Facebook Widens Data Targeting