LIRNEasia

The article also contains interesting data on minutes of use by age group.

What’s Good for a Business Can Be Hard on Friends - New York Times

Unlike traditional landline telephones, which once made callers distinguish between local and long distance, cellphone carriers divide the world into in-network and outside. And because basic plans from the three major cellphone carriers, Verizon, Sprint and AT&T, are all about the same price — under $60 a month — the deciding factor for young people, in particular, is what network friends are on.

Carriers are giving customers more options to stay connected with people outside their network. This year, T-Mobile introduced a plan that allows customers to choose five telephone numbers outside its network that they can call free at any time. Sprint offers night minutes that start at 7 p.m., two hours earlier than competitors.

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