Hi, It is said that the show isn't over until the fat lady/man sings, with many mobile phone batteries running out of juice by mid day the booth will definitely come in handy. http://www.gizmag.com/nyc-reinvent-payphone/26560/?utm_source=Gizmag+Subscribers&utm_campaign=39c68eeade-UA-2235360-4&utm_medium=email Regards   Robert Yawe KAY System Technologies Ltd Phoenix House, 6th Floor P O Box 55806 Nairobi, 00200 Kenya Tel: +254722511225, +254202010696