No one knows how they’re defining users of mobile Internet services, but leave that aside. They’re entitled to some latitude in this moment of reprieve. Hans Vestberg, the chief executive of Ericsson, said in an interview that the results indicated that the transition to mobile Internet and smartphones was bucking the general economic downturn. “Increased global smart phone penetration, new devices and the introduction of tiered pricing is driving continued mobile data traffic growth,” Mr. Vestberg said.