I am amazed by the skills of some people here

Hi, Guys...!!! I am new on your site and I am amazed by the skills of some people here... not too sure if this is the right place to be posting this msg Let me introduce myself first : I am Yann, a webmaster and dive instructor, 27 years old. i have many questions about music, web , PC and education... Where i can post my messages... So, thanks a lot!