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
Alf Rehn
Professor
#106780
1,098 followers
1,066 following
Follow
About
Activity
Upvotes
Collections
Stacks
Reviews
All activity
Alf Rehn
launched
Dangerous Ideas
9yr ago
Dangerous Ideas
When provocative thinking is your most valuable asset
10
Report