Types of Online Communities

So far, we’ve summarized the qualities and features that most online communities have in common and that distinguish them from other kinds of Web 2.0 sites such as wikis, message boards, and blogs. However, there are many different types of community websites, and each online community is its own unique social universe.

Open versus closed communities

Throughout most of this book, we are discussing online communities that accept an unlimited number of members. All of the best-known online communities fall into this category. If the business goal of a community is public relations or marketing for a brand, generating revenue through advertising or paid subscriptions, or increasing sales on an associated e-commerce site, ...

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