Hiding price increases on call charges.

I have received a notification from Vodacom in the last week to say that my current price plan has been discontinued and will be replaced with a new plan:<br> Old plan Smart standard : R390 p/m<br> New plan Smart M: R319 p/m<br> I find it rather upsetting that Vodacom does not tell what the diffence between these 2 plans is and trying to find any information on the Website about what your old plan used to offer is not available.<br> In short the old plan offered 300MB data