A ransomware attack hit servers around the world yesterday. The infected computers displayed a message in red type over a black screen that read, "Oops, your important files are encrypted," demanding a $300 bitcoin ransom from users to recover the data. This comes just one month after the WannaCry ransomware attack that affected more than 150 countries in May. We talk to Chester Wisniewski of the cybersecurity firm Sophos about this attack. Also on today's show: It's been 10 years since the first iPhone shipped out. It's been called the most unique and disruptive invention of all time, but just how original was it?