PB Classic vs. PB .NET

Greetings all,

I am waking up to the fact that I need more...

I am using PB 12.5.1 Classic.

I have some questions about PB .NET and I was hoping to get some simplified answers as I have a little brain. Also, I generally do not create Windows applications. I generally only create web services, web applications or mobile applications.

1. What is PB .NET?
2. What can I do with PB .NET that cannot with PB Classic?
3. Can I create webforms with PB .NET?
4. Do I have to learn another language?
5. Can I migrate my PB Classic applications to PB .NET?

Thanks in advance for any comments!!

Paul