On: How the Frightful Five Put Startups in a Lose-Lose Situation

[peoplewindow]

No. In this case "mobile first" meant that their user identity was a phone number, not a username or email address.

[icebraining → peoplewindow]

Thanks. I think that's in fact an innovation. Were they the first?

[peoplewindow → icebraining]

I believe so. The first I remember anyway.