This document discusses social media and provides examples of different types of social media platforms that can be used or created, including: - Creating your own social networks by self-hosting on platforms like Ning.com or using tools to build a custom social network. - Creating video sharing channels or networks by hosting on services like BoostCast or building your own with MediaShareSuite. - Using microblogging platforms like Twitter or creating your own service using ShoutEm. The document recommends focusing on creating your own communities using available technologies rather than seeing technology or money as limitations. It also references Pareto's law that focusing efforts on the most important 20% of tasks can yield 80% of the