By Bethany Wales Almost a decade after it was sold by the government, Royal Mail is poised for another major shake up as Czech billionaire Daniel Kretinsky’s EP Group agreed to buy the 500-year-old service for £3.5 bn. If the deal goes through – which analysts still doubt will actually happen – it will take the organisation into fully foreign ownership for the first time, and could usher in a series of”modernisation measures” which Kretinsky believes will return it to profitability. However despite the business being, technically, fully private, the echoes of its public past can still be heard…