As the couture shows close and the city settles into summer, SO/ Paris turns its attention to a different kind of ritual: the postcard. From now through August 31, the design-forward hotel in the Marais partners once again with Samaritaine – the legendary Rive Droite department store – for Bons Baisers de la Samaritaine, an immersive and sunny experience that reimagines the keepsake as something to be collected, played for, and lived.