On Dec 1, 9:57*am, MIG wrote:

It may have the potential to make things convenient for everyone if
properly thought through and with the advantages and disadvantages
openly and honestly discussed and with no coercion.

Just to add fuel to the flames, Southern have provided some clear and
unambiguous guidance (!) on this page:

http://www.southernrailway.com/ticke...s/oyster-card/

"If you already have a Travelcard but want to use your Oyster card
outside the zones covered by the Travelcard you might need to get an
Oyster Extension Permit before you travel. If you travel with an
Oyster extension Permit you might be liable to a Penalty fare or even
prosecution."

Could they possibly mean 'If you travel *without* an Oyster extension
Permit'? And don't you just love that 'you *might* need to get...'