In article ,
wensleydale@pacersplace.org.uk (Neil Williams) wrote:

> On Sun, 1 Jun 2008 04:51:55 -0700 (PDT), Chris
>  wrote:
> 
> >Because Electron & Solo require a real-time connection to your account
> >to check current balance, and that can't be got by theon-train
> >equipment.
> 
> It could quite easily be done by use of mobile phone technology - but
> it would be expensive, and more importantly, very slow.

Given the slowness of the Shere machines in Cambridge station at
validating standard credit cards I can't imagine they could be any slower
over GPRS. They don't accept Electron or Solo (or didn't last week).

-- 
Colin Rosenstiel