Co-Producing Mobilities: negotiating geographical knowledge in a conference session on the move by Cook, S, Davidson, A, Stratford, E, Middleton, J, Plyushteva, A, Fitt, H, Cranston, S, Simpson, P, Delaney, H, Evans, K, Jones, A, Kershaw, J, Williams, N, Bissell, D, Duncan, T, Sengers, F, Elvy, J, Wilmott, C