Bonus programs: Work on bugs and new old news

Bonus programs: Work on bugs and new old news C May 1 MegaFon substantially changed its bonus program, excluding from the list of "rewards" some options, and adding others in their stead. In our article on this topic given information was incomplete and not entirely accurate, as of this writing, not all details were known. Supplement written, but at the same time think of the existing bonus programs of other operators.