Anant's blog: Of ZooZoos and the end of the slowdown

There’s a mountain of data that mobile services providers have. They know precisely how many subscribers they have, how many are pre-paid and how many are post-paid, they can be broken up into states and cities, by age and by sex.They know which customers have subscribed to which tariff plan, to which value added service. They know which customers use which value added service (as opposed to those who are simply subscribed to a service).