Fluent - Fluent is a people-based marketing platform that uses real-time, one-to-one interaction to create custom audiences and serve personalized ads that drive performance at scale.

Opporty - Service marketplace for small businesses on the blockchain

Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.

bitcoinusername.com - Search For Bitcoin Users in the Blockchain

Reji - Improve your vocabulary hassle-free 📚

dBid - Turn unused stuff into Bitcoin