After the Wind offered free airtime around 2010 with the F2G, now goes to large increases in Prepaid.
Wind AB
06/08/2010: SMS to national networks from 0.04 to 0.12, a difference of 200%.
Wind f2g (average increase of 59.68%)
06/08/2010: SMS to national networks from 0.05 to 0.10, difference: 100%.
06/08/2010: Calling the same program from 0.31 to 0.37, difference: 19.35%.
