As the founders of Portrait Salon, Carole Evans and James O Jenkins write in the newspaper-style catalogue that accompanies the show, the idea began as an experiment and was not intended to upset or disrupt the Taylor Wessing, but to allow those whose work did not make the walls of the NPG another outlet.

BBC: Portrait Salon projection

Applications may also switch to a tablet style UI in landscape, but this is not as important since they will more often be used in portrait.

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