Question

a prior state to the formation of the o2​

Answer 1

The BT Cellnet consumer brand was renamed O2 - the chemical symbol for unbound oxygen - as were all the group's other businesses (other than Manx Telecom).O2 Arena. Opened on January 1st 2000 and originally called the Millennium Dome, the O2 Arena was built as part of the celebrations to mark the year 2000 and is located on the Greenwich peninsula by the Thames.