MoPub believes the trail-off for Android devices was due to their poor conversion rate.

FORBES: Apple's iOS Mobile Ad Metrics Dominates Android

Sanford maintains he learned some important life lessons after wondering off-trail.

CNN: Sanford seeks 'redemption' in wild congressional race

It's unclear, for example, why Jack and Cendoya went off the well-marked trail and how much water they had with them.

NPR: Search Crews Recount Dramatic Calif. Hiker Rescue

The two were believed to have gone off trail near Holy Jim Trail, a tree-lined dirt path along a creek that leads to a waterfall and is popular with day hikers.

NPR: 1 Calif. Hiker Still Lost, 1 Found And Recovering

MS. PSAKI: And just one thing to add -- obviously the President took three days off the campaign trail earlier this week, despite the fact that the election is next Tuesday, to make sure a robust response effort was set up.

WHITEHOUSE: The White House

At the Thurlow Hunt - one of the oldest in Britain - dozens of riders set off as their dogs followed an artificial trail of fox scent.

BBC: Hunting: Minister says ban repeal vote 'not imminent'