The document discusses how libraries can raise their online social capital through various online platforms and tools. It explains that online social capital works similarly to real-world social capital by facilitating networking and collaboration. Some key ways libraries can build online social capital mentioned include maintaining a strong library website, engaging with patrons on social media, blogging, listing on online directories, submitting to online news sites, using web tools, and ensuring their online presence is integrated across platforms. The overall goal is to connect the library to its community through as many relevant online channels as possible.