Robinhood - Free stock trading service.

Six Degrees of Wikipedia - Find the shortest path between two subjects

Scout Finance - Free finance app that's like having a Bloomberg in your pocket. Download:

Intch - Professional networking app

Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues

WikiBinge - Discover how all things are vaguely connected