hermès joins the pop-up retail arena, launching the first of two such stores today at london's rochelle school of art . the pop-ups are part of its global j'aime mon carré campaign that clearly targets a younger and edgier demographic. while the first ephemeral retail venue will be open for the next four days only, a second pop-up store  will launch on thu - nov 25, also in the happening shoreditch area. this this one will remain open for almost a month. location : arnold circus [shoreditch]. location : 79-81 ledbury road [shoreditch].