| G'day, Remember the MySpace page you crafted in 2005? Or the Tumblr blog from 2009? What about the Ticketmaster account you created to go to that concert four years ago? Most of us have online accounts we no longer use but that still exist — zombies that live on long after we need them. We may forget about them, but these accounts pose a risk. They make us more vulnerable to criminals who want to steal the personal data stored there, from our passwords to our contact information or our credit-card numbers. A start-up that has created indoor maps navigating retail settings for the vision-impaired has landed Australia Post as a major new customer, as it rolls out a new technology that’s filmed on GoPros and updated every time a user opens their smartphone. This new football could change the AFL, with the major sporting league one step closer to adopting the microchipped footy which could aid real-time scoring decisions. | 
