# Jackson Shuttleworth

Jackson is a Senior Product Manager, leading Duolingo's Retention team. His favorite feature is the Streak Freeze, since keeping a daily habit in anything is HARD!

Sep 20[Jackson Shuttleworth](https://blog.duolingo.com/author/jackson/)

[**5 product lessons we learned from building Friend Streak**](https://blog.duolingo.com/product-lessons-friend-streak/)

Dec 11[Jackson Shuttleworth](https://blog.duolingo.com/author/jackson/)

[**Start earning brand-new Achievements on Duolingo!**](https://blog.duolingo.com/achievement-badges/)

Nov 27[Osman Mansur](https://blog.duolingo.com/author/osman/)

[**Wie wir unser wunderbares Widget mit Suchtpotenzial entwickelt haben**](https://blog.duolingo.com/duolingo-widget-feature/)

Aug 29[Osman Mansur](https://blog.duolingo.com/author/osman/)

[**How we developed our addictive and delightful widget**](https://blog.duolingo.com/widget-feature/)