Data Disappearing - NO answers

Hi,

last month my husband contacted vodacom, as I was complaining for months that my airtime and data bundles would just vanish. I am on a wifi at work and at home as well, so the only time I am ever utilising my data is when I am driving to work and back. It was brought to the attention of teh consultant who advised that he would escalate the matter as we wanted answers, he gave us the following ref. 1- ********** ********** . We never had a call from anyone explaining the missing data, however I was credited 1gb for a month for all my troubles for months before. Yesterday morning I purchased 250MB of data with the top up airtime i credited monthly, upon checking my Data was at 577MB, last night when I was home on WIFI my baby was looking at some music videos and suddently I receive an sms stating that my data is less than 100MB. Please explain?????????? I am awaiting feedback regarding the same issue from last month. I want to know why you guys are *****ing data from your customers???