1. DesksThe 21st century does not fit neatly into rows. Neither should your students. Allow the network-based concepts of flow, collaboration, and dynamism help you rearrange your room for authentic 21st century learning.2. Language LabsForeign language acquisition is only a smartphone away. Get rid of those clunky desktops and monitors and do something fun with that room.3. ComputersOk, so this is a trick answer. More precisely this one should read: 'Our concept of what a computer is'. Because computing is going mobile and over the next decade we're going to see the full fury of individualized computing via handhelds come to the fore. Can't wait.4. Homework