Open your favorite search engine on another browser tab. Enter "Community Manager." Go ahead, I'll wait.
On Google, the first page of results reveals nine general links and three news links: one Wikipedia entry, five pages on community management as a social media function, two links to job postings for social media community managers, and a link to a page about real estate community managers. Of the three news stories, one was a piece on social community management, another on game community management, and the last on real estate community management.
Over on Bing, the same search reveals the same Wikipedia page, four job-search-related community management links, two links to social community management pages, and two real estate community management pages.
Yahoo? No less than eight ad-based search results, and pretty much the same mix and content that Bing had.
And so on.