Editor's Letter: Break free of bubble thinking

I've never been fond of the word ''bubble, not because of what it means but because of how it tends to affect a discussion. It's a conversation-ender and gets thrown about lazily to the point of it almost losing meaning.

We've had plenty of opportunities to throw it around lately, with Facebook et al gobbling up every tech start-up that sounds cool. WhatsApp, Nest, Oculus VR and the far less cool-looking but rather ...