The fear of returning to the hardware store is deep in this one.
"I needed to plug my phone into the wall, but it's right behind where my chair is, and I didn't want to roll over it. So whats the solution? Office supplies!"
Apologies to whoever originally conceived this joke.
Finally, the 3.5" gets an upgraded storage capacity.
Nah, just kidding. You use the middle click to do that. Seriously. Your browsing life will never be the same.