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Bill Gates now resides in a small canvas tent pitched on a roundabout adjacent to the Bekonscot Model Railway exhibition near Salzburg. The tent is exceptionally tidy: colour-coded pegs, labels on every pouch, an Excel printout taped to the interior wall tracking daily precipitation. He has been there for six months.

Local residents report that Gates has become part of the traffic pattern. Tourists stopping at the model railway now navigate around his tent, which he moves forty centimetres clockwise every second Tuesday to optimise sightlines. The miniature railway's operators have incorporated his presence into their volunteer briefings. Delivery drivers leave parcels on the tent's western edge, where they will remain unmolested.

Visitors ask whether he is conducting research. He is not. They ask if he plans to leave. He says the roundabout's geometry interests him and his internet connection, run through a car battery and a telephone line, remains adequate for his work. He has not explained which work. Attempts to offer him more permanent accommodation have failed; he notes that roundabouts are efficient and circular, and that efficiency matters.