Opinion leaders are individuals who obtain more media coverage than others and are especially educated on a certain issue. They seek the acceptance of others and are especially motivated to enhance their social status.[11] In the jargon of public relations, they are called thought leaders.
http://en.wikipedia.org/wiki/Opinion_leadership

Idejni predvodnici u području snimanja glasa
http://www.olympus.com.ru/site/rmt/media/consumer/pim/_broch...

SR:
2. Idejni predvodnik (Opinion leader) osoba koja svojom referencom značajno utiče na donošenje konačnih odluka o kupovini kod ostalih.

KOL - Key Opinion Leader
http://www.proz.com/kudoz/english_to_serbian/medical_pharmac...

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Note added at 1 hr (2014-11-01 12:24:40 GMT)
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/nema na čemu! Razumijem vas, mislim da nam je svima lakše kad dobijemo potvrdu :)