Google Calendar is exactly what the title states; a calendar. The calendar is like any other google extension in that it is accessable anywhere and the teacher has control. This would allow teachers to post and edit assignments from anywhere and allow students to access it at anytime. This is especially useful for those students who are constantly losing things. 

This article states that having computers in a classroom does not constitute it being a tech integration classroom. It offers several easy steps that teachers can take to integrate technology into their classroom. For example, accessing the weather forecast or showing a today in history clip. 

Digital age learning is driven by two facets: the pedagogical side and the wires-and-lights-in-a-box side. But truth be told, you can't have one without the other. Schools must create a unified vision for their tech integration. They must use tools with a proven track record. Implementation should be widespread; across departments.