Launches
Coming soon
Upcoming launches to watch
Launch archive
Most-loved launches by the community
Launch Guide
Checklists and pro tips for launching
Products
News
Newsletter
The best of Product Hunt, every day
Stories
Tech news, interviews, and tips from makers
Changelog
New Product Hunt features and releases
Community
Discussions
Ask questions, find support, and connect
Streaks
The most active community members
Events
Meet others online and in-person
Advertise
Subscribe
Sign in
Fangzhou Yan
#1749146
4 followers
1 following
2 points
Follow
About
Activity
Upvotes
Collections
Stacks
Reviews
Badges
Veteran
Maker History
Shoutable
Post life-size messages to digital screens on city streets
Apr 2019
🎉
Joined Product Hunt
March 25th, 2019
Report
