Sometimes on MSN Messenger I have some issues recognising who someone is from their nickname especially people who change their nicknames every day and don’t prefix it. Sometimes it’s also kinda confusing when two people from different places have similar nicknames.
One nice feature is the ability to colour code contacts – this changes the background colour of your conversation windows and the "toast" popups you recieve when your buddy signs in.
This way you can colour code people – you could give friends from school a red colour, friends from forums another colour, etc. You could also colour code certain people e.g. girlfriend.
To assign a colour to a contact, simply change the colour scheme of your conversation window: