In message
24330985.6209.1331612018997.JavaMail.geo-discussion-forums@vbgx21, at
21:13:38 on Mon, 12 Mar 2012, Offramp remarked:
I have traveled on railway systems all across Europe using smart
cards and none compare to the sheer complexity and complication
to the Oyster card in London.

You just touch in and touch out.

If only it was that simple!

Although if you are disinterested in what you've been charged, it's
possible to use it like that.
--
Roland Perry