As I indicated in my previous piece, this is much lower than the costs of Groupon (80% range) and Google (67%), because the latter depend on specialized complementary assets and information, which requires significant investment in infrastructure and marketing.

FORBES: Facebook Valuation: We Don't Know What We Don't Know

One in four said they would like pharmacists to provide more information on complementary medicines.

BBC: Britons keen on complementary medicine

Archaeoseismology has the potential to be a legitimate and complementary source of seismichazard information.

UNESCO: Tales set in Stone: learning from ancient earthquakes

The 5 complementary posters provide a wealth of information, both in Khmer and English, on the characteristics of the flooded forest ecosystem, as well as specific tree, bush, vine and aquatic species that can be found in the great lake.

UNESCO: OFFICE IN PHNOM PENH

ConnecTV delivers a rich content experience that syncs instantly with the show you're watching and delivers complementary play-by-play stats, news, information and quotes that can be shared with friends and followers-all with a single touch.

ENGADGET: ConnecTV officially launches, gives you more ways to bug your buddies