Overview Details Press Releases Multimedia Locations People Groups This feature is available to journalist, bloggers and other members of the media. You must be logged into ReleaseWire to take advantage of this service. Login To ReleaseWire or Create An Account Greedy Phone Giants Challenged by New Roaming SIM Card for TravellersPosted on Monday, December 12, 2011 at 9:45 am CSTA new roaming SIM card company is challenging ‘greedy’ phone giants who overcharge customers for internet access and calls abroad.Source: nowroam