Ms. MICHELE SHANNON (Senior Director of Product Development, Websense, Inc.): What a lot of companies will do is they'll say, I'll allow you to go to your travel sites or your shopping sites, but what I don't want you to do is spend all day dong it.

NPR: Is Web-Surfing a Job Hazard?

"Exports improved even though the yen was depreciating, suggesting that there hasn't been any major impact on growth yet, " said Kong Dong-Pak, an analyst at Hanwha Securities.

BBC: South Korea economic growth hits two-year high

That doesn't mean they're easy to spot, though: Chinese conceptualist Song Dong's contribution to Documenta is "The Doing Nothing Garden, " a 160-foot-long grassy knoll in Karlsaue Park whose innards are a mound of trash.

WSJ: What's On at Documenta, From William Kentridge to Shinro Ohtake