Many people have looked at a brand's Twitter account and wondered how the person running it has a job, but Victoria Carlin of London looked at her favorite bookstore's social media presence and wondered if the guy behind it was single. What came next is a love story for the storybooks, or at least for Twitter.

Ms. Carlin's favorite bookstore is Waterstones, a London-based chain that's like Barnes & Noble but with a bar and more community events, but it was the Twitter account of her local branch that caught her attention. Even today, it's much more personable than your average brand Twitter: