The way many of us work has changed dramatically, probably permanently. Employers have already prepared for the 'Big Return' at least once before, but that was before widespread testing was available and before anyone had received the vaccine. To what extent can employers take advantage of those developments in making new plans?  Plus, now we have been working this way for a year, what are employees' expectations, what are their rights and what are employers' obligations? Jonathan Chamberlain helps you keep ahead of the headlines.