Roundio - Explore what people posted to Instagram or Flickr near you
Buzzstream - Build Relationships. Build Buzz. Web-based software that helps the world’s best marketers promote their products, services and content.
Public - Group chats.
Retargetlinks - Turn every link you share into targeted ads
Chalk - Chalk is a calculator that tries to do right what others do wrong.
RocketLink - Rocketlink helps to grow your audience with URL shortener that allows firing retargeting scripts when the link is clicked.