Jason Zhu

Jason Zhu

Build learning and productivity tools.
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Jason Zhu
Don't let precious thoughts become forgotten treasures. Refff's auto-reminder scheme awakens notes with timely emails at the 3rd day, one week, one month, half a year, one year and two years mark. Rediscover your inspiration. #NoteTaking #Productivity
Refff
Refff
A note app that awakens your precious thoughts