In your opinion, which companies have the best and most clever product/network effects, as in specifically, the utility of the product dramatically increases when more people join, ...Facebook is the usual example, seems like Substack has done a great job incentivizing people to upload their entire mailing list...what else?
I like Dropbox’s invite prompt: "invite your friends to get free space." John 'jwegan' Egan (Growth at Pinterest) wrote a piece on it here: <a href="https://news.ycombinator.com/item?id=4854131" rel="nofollow">https://news.ycombinator.com/item?id=4854131</a>