TechBytes: iPhone 5, Bike Safety Home > Video > Tech > SciTech News TechBytes: Facebook, iPhone 5 Facebook will allow users to send real gifts, not virtual gifts, to other members. Convertible Heels: Shoe Transforms for Day, Night New shoes have interchangeable heels that convert flats into stilettos. Cell Phones Take Big Bite out of Family Budgets An average American household spends more than 1,200 a year on cell phones. BlackBerry Ready for Comeback? Facebook, Twitter, LinkedIn and Foursquare are all featured on the new device. Car of the Future Drives Itself California allows autonomous automobiles on the road. iPhone user complaints: It was scratched, doesn't get WiFi and is too light. TechBytes: iPhone Portability; Wi-Fi Scarce on Flights Apple's new phone will allow users to interchange carrier's SIM cards for first time. iPhone 5 Release: Frenzy Around the World Apple fans line up as latest smart phone hits shelves.