Glimpse, in fact I've read about charging in Amazon website. What I've missed is what happens if you are living an ''instance'' open. And this of course happened because of my little knowledge in using AWS
Rico, thanks for the advice. I' ve already contacted with them (today) through mail but I ...

''For anyone who is NOT an experienced..." Well I was charged too like Andrea. I thought it was free and I tried it. They have charged us for something we didnt use. Personally I will appriiciate it if OTOY protect us for this mess for wich we are not responsible. I didnt knew that en unexpierienced ...