Thank you for your comments, but, actually i already have tried the same way as you said, but they didin't asnwer. Chat service also didn't answer, and this posting was my last attempt to contact those persons.

Hello, i am working in digital agency, and one of our client want to renew their global website. We are considering AEM for their CMS tool but still we need to have a better understanding what we can do and what benefit we would have with AEM. cs phone is not answering, chat is not working, any sort...