I came across to a situation where people wanted to enter the list items and upload the documents but would not like see their names in them. They also did not want anonymous access to list or library.
So now what can be the solution? Then I read about the PowerShell and came to know one technique that we can imply to do this.
Here is a classic example. I have one customer list and after using following command in PowerShell, I got what I wanted.
And here is the result