LinkedIn Sydney: photos Summary: Professional networking company LinkedIn had an Australian presence 12 months ago that consisted of three people: local managing director Cliff Rosenberg, a communications manager and a sales manager. Now, the company has exploded in size. By Luke Hopewell | December 8, 2011 -- 02:08 GMT (18:08 PST) Follow @lukehopewell Previous | Next Image 1 of 9 (Credit: Luke Hopewell/ZDNet Australia) The entrance to the Sydney office bears the LinkedIn logo. Topics: Social Enterprise, IT Employment Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.