What is the most important image on your smartphone? Nowadays, we all can shoot, work on and share our photos instantly. Over 95 millions photos and videos are posted daily on Instagram et over 2263 on Facebook every second.

Our installation #ceciestimportant (#thisisimportant) proposes to think about the ephemeral life span of photos on social media and to put forth this new usage in a museum setting.

Post the image on your phone that is the most important to you on Instagram or Twitter, using the #ceciestimportant hashtag. You can also send it to We'll print it and display it from 2pm for the "Nuit des musées" on the 23rd of Septembre.

Created for LabElisée, The Musée de l'Elysée's new space dedicated to digital experimentation.

Happy City Lab - 50 rue Rothschild - 1202 Geneva - Switzerland