MegaFon-Moscow, the rate of "home": Duration is no longer valid?

Twentieth day of February, Megafon officially launching its prepaid-fare without expiry dates of payment. Rather, the two rates at the same time: the time frame and without them. Interesting experience of two parallel tariff proposals and unexpected maneuver Moscow MegaFon. But it is possible to estimate a "live" figures is an abstract concept as "terms of payment".