Organize, collaborate, and have fun with your Friends and Colleagues with the HelloWorld app.
If you are driving, walkie-talkie communication is far safer than texting. You never have to look at the phone.
Voice is far more expressive than a text message. Nobody will ever say, "Oh, I'm sorry, I misunderstood the tone of your text message"
Speaking is far quicker and more accurate than typing. There are no misrecognitions to correct.