Reply is an Italian IT services company that has grown significantly since 1999. In 2007, its sales reached €277 million with a compound annual growth rate of 40.1%. To improve knowledge sharing and collaboration, Reply developed an internal Enterprise 2.0 platform called TamTamy based on Web 2.0 models. TamTamy uses social features like sharing, tagging, profiles and blogs to enable emergent collaboration across the organization. Initial results showed TamTamy helped spontaneous formation of communities and identification of company talents.