The document discusses several technologies and examples of collaborative science platforms. It describes how social networking and Web 2.0 technologies can enhance collaboration around data and applications. Examples of existing collaborative platforms are provided, including Academia.edu, SciWeavers, myExperiment, HUBzero, GeoChronos, CyberSKA, and WaterCloud. Key features of these platforms include social networking tools, data and application sharing capabilities, and enabling collaboration in academic and research communities.