Blurred boundaries exist even without working formally from home anyway
In a previous job we had a US office and due to time zone differences it made a massive difference to getting things done by answering urgent emails in the evening (sometimes on my Blackberry
) rather than losing a day by waiting until I was back in the office the next day
On the flip side, most office workers will have personal internet access, which is allowed within sensible limits
The effect this might have is to reduce the imbalance between peak and off peak use, as the horrendous peak demand goes down a bit, which might actually make things easier for the railways
So much of rail expenditure around London is geared around catering for this peak demand, longer trains and platforms, new trains with fewer seats and more standing space to cram more people in...