Mr. Lewin:  I very much agree.  We have a generation of young people who already spend much (some would argue "most") of their day glued to the screen of their electronic devices.  They already have a notable shortage of face-to-face interaction with each other or with adults.  You will often see a group of junior high age kids sitting around a table; each of them engrossed in his/her phone, tablet or whatever and oblivious to their "friends" sitting next to them.  "Device centered" instruction is, IMO, an expansion of this "self-centered" machine-interactive isolation.

For years, the "save dollars by having fewer teachers" movement was focused on material-centered instruction.......work books, etc.  Now we're seeing a more technologically advanced version of this same movement.  IMO, kids, and adults as well, are already too isolated from neighbors and need more personal interaction, not less.  Gary Crum