Dissapearing Airtime and Data

Honestly I am not Pleased am so really ****ed by Vodacom<br> Firstly can someone explain what happened to my R200 Uchoose airtime that was topped up Today as I have not made a call but my balance appear to be R0.00 <br> Secondly since when does 1GIG Data last 6 days while using it for Facebook and What's up only NO GOOGLE,DOWNLOADS and UPDATES was done.<br> This morning 06:56 I had 4.97MB I then logged off and logged in again at 17:50 which the sms then say I have 4.72MB then at 17:51 my DATA was depleted I then logged off to check my airtime to my shock I had 0.00MB and R0.00 airtime balance and when I call your call centre the guy by the name Simo/Simon couldn't explain what happen it was as if he is clueless of what was he doing as he said its possible for R200 airtime to finish within 2 minutes. Please Vodacom explain what happened to my data and airtime and come up with better story this time not that phone automatically update and as far as I know I only open the App that I use while other are closed.