In message yBWao.43170$Dt3.759@hurricane, at 20:34:54 on Wed, 18 Aug
2010, " remarked:
So it's a kind of "three tier" Oyster card scheme[1]. More complication
for customers to get their heads round
[1] Basic, registered, and registered + auto-topup.
Hardly.
Indeed, we are now told it's at least 4-tier!
--
Roland Perry