Likewise, if web surfers don't pass on information, weary perhaps from too many messages that threaten all sorts of awfulness if they are not passed to at least ten people in less than ten minutes, or just web-weary in general, then the effect of viral marketing soon fizzles out.

ECONOMIST: Idea

The GPSmile 52 Car Navigator should feel right at home on a dashboard or in a hiker's palm, as the 9.5 x 7.7 x 2.2-centimeter enclosure and 6.3-ounces of heft shouldn't pose too much of a burden on the average weary traveler either way.

ENGADGET: Holux intros compact GPSmile 52 Car Navigator

They arrive here in small groups - mothers with belongings balanced on weary heads, often carrying a baby too, with a few children dragging tired heels as they struggle to keep up.

BBC: Fleeing from Sudan's Nuba Mountains

Families head for picnics on the coast, bored children demand entertainment, a weary fighter rushes home to meet a newborn son, and teenagers too young to hold a gun arrange football games instead.

BBC: Besieged Misrata: Seaside picnics, laughter and rockets