Editor's note: This is the second story in a series on teacher professional development around technology. The first story, about designing effective PD, is available here, and the third, which ...

With the growing number of devices that most people use today, be it smartphones, smartwatches, laptops, wireless earbuds, and other gadgets, charging them quickly and efficiently becomes important.

Principals believe they are delivering relevant professional development. Teachers disagree. Principals survey teachers and feel they are including teacher voice in PD plans. Teachers feel like PD is ...