The Mobile Marketing Association has added 33 new members to bring its worldwide total to nearly 600 companies. 
    Among the new members: O2, Telecom Italia SpA, Iamota Corp.,
Mobisix, MGM Grand, and 1024 Wireless Services. Over the last two years, the MMA has expanded membership by 350%. 
  In March, the trade group will add a Latin American chapter to the three already
covering North America, Europe, the Middle East and Africa, and Asia-Pacific. Each chapter has its own regional board of directors. 
--Mark Walsh