Explore
Challenges
For Business
For Startups
Who We Are
Results
Get Started
Launch a challenge
Connect with talented problem solvers
Solve a challenge
Join our community and win prizes
Log In
menu
log in
Explore Challenges
For Business
For Startups
Who We Are
Results
share
Follow
Following
Unfollow
Kirill Tšernov
share
Follow
Following
Unfollow
Tartu, Tartumaa, Estonia
message
more
Activity
Awards
Activity
April 8, 2016, 3:43 p.m. PDT
Advice to Millennials: Haters Gonna Hate
wrote
March 31, 2016, 2:45 p.m. PDT
The Low-water Mark: Water Crisis Needs a Dedicated Solution
wrote
Awards
