As the recession rapidly sucks the momentum out of Web 2.0′s heyday, with it may go one of the era’s most defining terms: the job title “social media expert.”

For the past few years, people who identify with that title–as well as social media consultants, social media strategists, and social media marketers, depending on what they want to call it–have been unavoidable in the Web 2.0 social scene. You’d meet them at the endless litany of industry cocktail parties, at Tech Meetup events on both coasts, and at the likes of the Web 2.0 Expo. A search for “social media expert” on business networking site LinkedIn yields 175 results. “Social media consultant” yields nearly 400, and “social media strategist” about 300. Read More on CNET