The digital revolution

https://www.engvid.com/how-to-express-your-opinion-in-english/#quiz

https://www.engvid.com/how-to-discuss-a-topic-in-a-group/#quiz

Other useful expressions here

Technology has changed our lives.
What has changed?
What's your opinion about it?  
is this a good or a bad thing?

New vocabulary

SELFIE

Talking about the past using "Used to" and Past Simple

http://www.bbc.co.uk/learningenglish/english/course/lower-intermediate/unit-17/session-2/activity-2

The biggest truck of the world: read an article about it