The Pathedral and the Kazoo

The Document Foundation: The Third Anniversary reads:

The Document Foundation has been incorporated on February 17, 2012. Today is the third anniversary, and this video is a testimonial of the activity of many members of the fantastic LibreOffice community in representation of thousands of volunteers and hundreds of developers. Thanks everyone for the wonderful journey.

and Italo Vignoli assembled this video of nice LibreOffice community shots:

Happy Birthday TDF!