Fun Times: Workers in Neighboring Office Buildings Had an Amazing Post-It Note Conversation Who needs phones and emails when you can simply stick a couple of Post-Its on your window?

By Wendy Frink

Opinions expressed by Entrepreneur contributors are their own.

Sometimes no matter how much work there is to be done, you just need to have some fun.

Last Friday in San Francisco, several office buildings started communicating with each other with Post-it notes. SFist was the first to report the chat.

Games of Hangman were played, hangovers were admitted to, and of course, there was a Debbie Downer telling the office dwellers to get back to work.

Behold, the latest social app is not available for download. Yet.

Related: Why Everyone on Your Team Should Leave Work Early Today

Wendy Frink

Social Media Editor at Entrepreneur.com

Wendy Frink is the social media editor for Entrepreneur.com.

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