For instance, AstraZeneca's (nyse: AZN - news - people ) Seroquel is often used for its sleep-promoting or calming effect. (see: " Antipsychotic Prescribed as Sleeping Pill") Eli Lilly 's (nyse: LLY - news - people ) Zyprexa has even been used in rare cases in patients with anorexia--one of the drug's potential side effects is weight gain.

FORBES: When Doctors Go Off-Label

Drawing attention to food safety issues of one multinational undoubtedly has a knock-on effect of promoting restaurants that exist as alternatives.

FORBES: KFC's Midlife Crisis in China

On each trip comes an entourage of mom, dad, managers and media, all promoting "The Lang Lang Effect" to the maximum extent possible.

CNN: 'The Lang Lang Effect:' Piano megastar's global impact

The filters might be great for users, but they could have a negative effect on companies that have sunk money into promoting their pages and gathering fans, said one analyst.

CNN: Facebook revamps site, tweaks mobile apps

Many students of climate change argue that, although the artificial release of greenhouse gases such as carbon dioxide works to raise the global temperature, particulate pollution should, by promoting cloud cover and thus reflecting solar energy back into space, have a compensating cooling effect.

ECONOMIST: Weather and pollution