Christina Garnett is a Strategist with courses about social media on Hubspot Academy and work featured in the Next Web, The Startup, and Better Marketing. Christina's tweet encouraging people to join and introduce themselves to Marketing Twitter went viral, igniting the community and prompting over 2,300 replies. Brian and Christina go behind the scenes to talk about Marketing Twitter, the rise of niche social media communities, how to add value on social media, and how brands can better work with online communities.

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