QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
Momentum - Agile goal and performance management
A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.
New Tab by Flickr - Get a beautiful photo each time you open a new tab
Trivia Crack Kingdoms - The amazing quiz game that lets you test your knowledge and challenge your friends to see who is the smartest. Developed by Etermax
Gratitude Flow - Gratitude Flow is a web extension that allows you to share and receive gratitude on your new tab with real people around the world.