My brain isn't currently in a state of wanting to settle down and do just the one thing, if that one thing involves the word study and the subject 'Internet Architecture and Protocols'. So, in the interests of promoting procrastination as a valid form of expressing this lack of a desire to study, have a go at some of these...

• The Paint Game
• Brain Test, and another

Ok, combine that with an email from he who is supervisor @ work, and what do you get? The end of a chapter in the textbook I'm reading ... yay!