According to a recent internal memo, Yahoo’s Marissa Mayer is not in favour of the ‘technologically forward’ working from home concept. Despite being touted as a progressive idea for many occupations that do not require a physical presence in the office, working from home is apparently no longer finding favour with management, citing loss of ‘productivity’. As this Salon article points out, Tesco is taking productivity to another level (or sinking to a new low – whatever your perspective), by using high tech survelliance to track employees.Collaboration, folks, is the new corporate buzzword, so expect to be in the office more & longer.