Everything increases? Almost everything, in fact. As inflation returns to Switzerland, one area stands out: mobile telephony. Of course, there’s Black Friday and even the longer Black November and their promotions. But what is happening in the telecom market goes far beyond these days of consumerist fever. Because many promotions offered by Swisscom, Sunrise and Salt, and especially by virtual operators, are long term. And today, it’s up to the consumer to take advantage of it.