You build a private library of great sites, or look up sites the community likes, offering yours in exchange for recognition.

FORBES: Names You Need To Know: Blekko

The implicit social treaty to which the Mormons in Utah agreed meant giving up their claims to autonomy and the practices that their countrymen found most distasteful (notably, polygamy), in exchange for recognition of their primacy in Utah and a readiness in the rest of the country to tolerate their faith.

NEWYORKER: I, Nephi

It allows managers and co-workers to exchange feedback and recognition, using a social networking site type interface.

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At the same time the stock seemed like a good buy partly because its shares seemed to be oversold, driven down by the prospect of increasing competition, a slight loss in market share and a Securities and Exchange Commission inquiry into revenue recognition errors.

FORBES: Magazine Article

"We will have a way to exchange information across millions of people without using keyboards or voice recognition devices or the type of interfaces that we normally use today, " he said.

BBC: One rat brain 'talks' to another using electronic link

He is also Chairholder of the UNESCO Chair in Sustainable Mountain Development, in recognition of his global role in mountain research and knowledge exchange.

UNESCO: Professor Martin Price

While the guitar gained recognition among well-known artists who played it at concerts in exchange for free or discounted instruments, Lakin couldn't seem to make money.

FORBES: His Own Beat

But Usada, in exchange for Gatlin agreeing to cooperate with its anti-doping campaign and in recognition of the exceptional circumstances of his first failure, imposed an eight-year ban.

BBC: Gatlin won the 100m title at the Athens Olympics in 2004