Summary: Jon Tullett returns to the ZA Tech Show this week, joining the panel with Brett Haggard, Duncan McLeod, Simon Dingle and, later, Toby Shapshak. We discuss Google Buzz, mashing together social networks, open API's versus closed platforms, the Eassy undersea cable landing in SA, tumbling ADSL prices, the downfall of Sentech and spectrum allocation, Mobile World Congress 2010 in Barcelona, Skype Access and Windows Mobile 7, mobile roaming, and much more. www.zatech.co.za
