Forget “hand-me downs.” Some parents are coming to grips with the notion of “hand-me ups” when it comes to technology, TechHive reports. A study from Optus revealed Australia’s moms and dads now have to wait in line for their children’s cast-offs when it comes to technology like old mobile phones and tablets. Optus surveyed 1256 parents of children aged 12 to 30 years, distributed throughout Australia. By waiting for their children’s “hand-me ups,” parents are fast being knocked off their pedestal as the family tech expert…