To verify your channel, you'll be asked to enter a phone number.

One of the reasons for getting blocked can be uploading content that violates YouTube rules. Nudity or sexual content – YouTube doesn't allow pornography or similar content, even if you're uploading the videos of you. Violent or graphic content – You are not allowed to publish violent content that aims to shock.

It could be an issue with your connection. Make sure you can still access other websites normally. If you're on a Google Apps domain, the administrator of your domain may not have turned on YouTube. Learn how to add YouTube as a service.

When you give feedback, it means you offer a helpful response to someone's work or idea. If you were recording your first album and you asked friends for feedback on which songs to include, you'd be asking them to offer their critical opinions on your music.