EASY, BREEZY, BEAUTIFUL: Mary Kate O'Meara loves the Twiddla, and here’s why: this real-time collaboration whiteboard app allows an unlimited number of people to share and edit documents, images and websites, all at once. According to her, “it’s so user friendly that my first, second and third grade students often use it throughout the day.” By the way, did we mention that teachers and students get free Twiddla pro-accounts?