I've recently migrated over to 2010 -- this is to say that I've recently started working at a company with an enterprise level 2010 SharePoint instance.
As I was doing to customer requirement - content type-architecture-alignment and testing last week, I noticed that there are various SharePoint site columns that can't be modified and / or removed from (even) a custom list once they've been added.
I did quick internet search and wasn't able to find anything riveting.
Anyone know what the scoop is on this?