In this episode of the Digital Digest, we roundup the biggest stories of the week from sustainability to brand strengths and new execs. After a particularly green week in the global data centre industry, Abigail brings us a sustainability round up from Texas and Poland, and big news on the dominance of the hyperscalers. Natalie rounds up the biggest news from telecoms including  O2, Three and Vodafone's plan to build 222 4G masts and Orange has launched a EUR2.6 billion fibre business. On the appointments front, there is a new CEO at BICS and some new faces at the FCC. And rounding off the news this week, Alan explains why a new era is dawning at Softbank and the team talks tech branding as WeChat is named one of the world's top tech brands. Season 2, episode 3 is presented by deputy editor Melanie Mingas, and features editor-at-large Alan Burkitt-Gray, and senior reporters Abigail Opiah and Natalie Bannerman.