There was also MSN, and then on the side there was your Xbox Live account and your Games for Windows Live account. I think mine have all been merged at this poi

There was also MSN, and then on the side there was your Xbox Live account and your Games for Windows Live account. I think mine have all been merged at this point, but people at my job still click on the "work" account when they really want their personal (we don't use 365) and are confused when their account is empty.