Ms Goddard even sends some clients to voice coaching, to help them sound more authoritative or confident, or to posture experts to help them stand, sit and walk in the right way.
Those looking for something more authoritative might be interested in the annual Social Attitudes Survey, which distils the responses of over 80, 000 people to a variety of questions on politics, economics and society.
Mr. Stricker added that Google shares these new companies' mission of providing more authoritative answers to questions for which there may not be a lot of content online currently, citing its real-time search services and a product called Knol, which allows people to upload information about topics on which they are experts, as examples.
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Though Lil Buck has ballet schooling in his background, the ballet postures for his "Agon" riffs looked more approximate than authoritative.
In recent tests Smith and others have shown that PreCydent turns up those cases legal experts consider the most authoritative more reliably than any of the existing legal-research services.
Most routers treated those routes as authoritative because they were more granular than those announced by Google.
The more Mr Sarkozy adopts a populist tone and agitated manner, the more Mr de Villepin is likely to cultivate a quietly authoritative style.
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Mr. Murdoch's 65% premium for Dow Jones shares is evidence that the most trusted, authoritative and differentiated news brands and journalism have more and not less value in today's information-overloaded world.
IMDb, an Amazon company for 14 years, is the world's most popular and authoritative source for movie, TV and celebrity content, with more than 160 million monthly unique visitors worldwide.
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According to the authoritative Oil Price Information Service, retailers sold gas for an average 13 cents per gallon more than they paid for it.
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