It was once said that if a phone or tablet used a stylus its hardware designers had blown it. It was also said that if the software on that device contained a task manager that coders had similarly missed the mark. The Samsung Galaxy Note on AT&T contains what many would consider a stylus and, if you hold down the Home button, you're presented with what can only be described as a task manager.So the Galaxy Note, Samsung's massive 5.3-inch "superphone," is critically flawed then, right? No. It is, in fact, one of the best phones to hit the market since another Samsung powerhouse -- the