Here's why Google, Apple and Microsoft think it's time to kill the password

The average office worker in the United States must keep track of between 20 to 40 different username and password combinations. With so many passwords to remember, many of us use the same ones over and over, or have a running list of passwords saved somewhere. Passwords are a very serious and expensive security risk. It's why companies like Microsoft , Apple and Google are trying to reduce our dependence on them. But the question is, can these companies break our bad habits?