A great piece in this blog is the suggested process halfway down:

1. Start with learning goals
2. Decide on content and platforms
3. Choose devices third.

Often the temptation (with slick sales pitches, rabidly fanatic supporters on social media, and shiny, new/unproven devices) is to start at the bottom and work up.

But that way madness lies.

Trends | Infographic: How to Implement Blended Learning 2.0 | edtechdigest.com.