Although many businesses don’t know it, keywords and text are valuable for more than just Google results pages. The same logic that applies to the importance of SEO content also applies to social networks such as YouTube, Twitter, and LinkedIn. After all, these social networks have a search function similar to that of Google. In other words, think of these social networks as simply a different search engine, but just on a slightly smaller scale.

via Utilizing SEO Keywords to Optimize your Social Media Accounts | HigherVisibility.