VIDEO: Yammer's new office and other tech newsThe Windows-maker buys social network site Yammer and other highlights from the past week
Source: VIDEO: Yammer's new office and other tech news (http://news.bbc.co.uk/1/hi/programmes/click_online/9733183.stm#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)