Average age for mobile phone in Britain

This was a throwaway line at the end of an article on IPv6:

340,282,366,920,938,000,000,000,000,000,000,000,000 new web addresses created by internet chiefs . . . so we won't run out of space soon, then - World - Times Online:

8 The average age at which a child gets a mobile phone in Britain.

Huh? Age 8? Come on.