[sp332]

I think you're probably just underestimating how popular it is. Tagging activity tripled from 2012 to 2017. They had 10 million monthly active users in February when Firefox bought them.

[CaptSpify]

Does Mozilla look at any of the other top add-ons and implement them natively in the browser? Why was Pocket so special?

[sp332]

http://www.planet-libre.org/?post_id=18514

https://groups.google.com/d/msg/firefox-dev/B3jJq_kUuIQ/32zv...

https://www.reddit.com/r/firefox/comments/388ryl/pocket_and_...

This is the best I can do not being involved and two years after the fact.