What university do you go to? biaxin antibiotic drug interactions But can you be too young to own a phone? uSwitch surveys show even the very young are getting mobiles, and as Ernest Doku explains, they think its problematic: “Even children as young as five are finding out in the playground that if they haven’t got the latest and greatest smart phone, or the handset that has access to the widest variety of apps, they might kind of fall short in the playground pecking order.”