With social media, the com­pelling oppor­tu­ni­ties for self‐expression out­strip the sup­ply of things we have to con­fi­dent­ly say about our­selves. The demand for self‐expression over­whelms what we might dredge up from the inside, from our true selves. So the self that we’re express­ing in social media has to be posit­ed else­where. We start to bor­row from the net­work. We start to bor­row from imag­ined future selves that we can project. We start to bor­row from the media them­selves and from oth­er kinds of con­tent cir­cu­lat­ing there that we can now con­sti­tute our­selves with.