The most comprehensive collection of Design Principles on the Internet.

921 design principles and counting.

Emmet Connolly

Emmet Connolly

Director of design

Emmet is a digital product designer, leading the Product Design team at Intercom. Before that he co-founded and designed Android Wear and designed Google Flights. He lives in Dublin, Ireland with his wife and son.

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Principles of bot design

8 principles

Emmet Connolly, Intercom

Design Principles for In-App Messaging

3 principles

Intercom, Emmet Connolly