My blog post, Toilet Paper Should Be Loaded So It Rolls Off The Top, elicited the following response: After I had responded, later that day I saw this on funny.com: source: funny.com What are the odds? When systems are designed, the external factors need to be taken into account. Normally the persona is the user, but in this case, it's the pet. Q:Why is software design for an iPad like loading a toilet paper roll onto a dispenser?A: Both involve a user interface based on hand gestures. Coincidence is alive in the lab Go to the original post...