Awesome question. Imho the core metrics are quantified product assumptions. Some related to user interaction, later (hopefully) some related to businessmodel

Awesome question. Imho the core metrics are quantified product assumptions. Some related to user interaction, later (hopefully) some related to businessmodel assumptions. Depending on phase the focus tends to shift from retention to growth. Alistar and Ben made an awesome chart for their Lean Analytics book (recommended) http://i.imgur.com/0VBP68T.png http://i.imgur.com/0VBP68T.png These slides by me also might help: http://www.slideshare.net/andreasklinger/startup-metrics-a-love-story http://www.slideshare.net/andreasklinger/startup-metrics-a-l... hth