What has a use in the future, unforeseeably, is radically useless now. What has an effect now is not necessarily useful if it falls through the gaps. In For a Pragmatics of the Useless Erin Manning examines what falls outside the purview of already-known functions and established standards of value, not for want of potential but for carrying an excess of it. The figures are various: the infrathin, the artful, proprioceptive tactility, neurodiversity,...