Professional social networking site LinkedIn has announced that it reached 100 million members on Tuesday, which include almost one million teachers, 1,030 chocolatiers, 74 Elvis impersonators and one "martini whisperer".
"We're now growing at roughly one million new LinkedIn members every week, the equivalent of a professional joining the site at faster than one member per second," wrote Chief Executive Jeff Weiner, in a company blog post.
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Launched in May 2003, LinkedIn started out in the living room of co-founder, Reid Hoffman. It took 494 days for the first million members to sign up, and now, more than half of its current members (56 million) are located outside the US.
LinkedIn is free to join and use, although there are various levels of paid membership you can sign up to should you want access to more information. Currently, the site generates revenue with advertising, business services and membership fees, although earlier this year it filed a registration for an Initial Public Offering (IPO).
Although LinkedIn's latest achievement is admirable, people are yet to visit the site as often as they do other social networking sites such as Facebook.
The world's largest social network has over 500 million active users spending over 700 billion minutes per month on the site. Fifty percent of active Facebook users log in on any given day.
Facebook was launched in 2004, and reached 100 million user milestone in 2008.