The first is to extend the coverage area of one base station. The second is to eliminate the coverage holes. The third, to enhance the throughput on the cell edge.

So meanwhile, back at the base, keep expanding your production and slowly build up a powerful corps of Firebats, Hellions, Marines, and any other ground units available for training.

Economies of scale only really work in retail banking, he says, and the bank has no plans to expand its retail base of 1.8m customers beyond Swiss borders.