To me....participating in a discussion on an online forum is not un-professional. I used to do the same when I was running an Internet Service Provider (ISP) back in Peshawar, Pakistan. I used to chat with different people on the City Forums and that helped me a lot not only to improve my services but to convey our point of view to our valued customers.
All in all, I think its a very positive step from Vodafone, that's the way "Customer Support Services" should be.
About QTEL...I have been using its services for the last 3 years, and honestly...I have never been satisfied with the way they communicate with their customers. Be it paying your bills or getting a new connection. They are way too much rude and arrogant. The worst thing is that they dont know what they are offering. They would be clueless if you ask them about the Internet Services. Why I still use QTEL is because I dont want to change my number....n dats it.

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Whenever I find the KEY to SUCCESS...Someone steals it.