Within a square mile on the Thames, a multinational firm can sell $5bn of shares in 20 minutes, or a European startup can raise seed finance from Asian pensioners.
We've had stories about pensioners riding public buses all day to stay warm, of local councils opening warm banks for people who can't afford to heat their homes.
A group of 30, including pensioners and babies, danced in sodden slips and towels, beating drums and singing in the tepid chamber, before piling into the steam room for a scrub by an attendant.
" My name, " said he, " is Mr. Duncan Ross, and I am myself one of the pensioners upon the fund left by our noble benefactor. Are you a married man, Mr. Wilson? Have you a family? "
The current coalition (in which a party of pensioners plays a crucial role) has adopted draft laws on pension and labour-law reform, which will both be contested.
I have a joke about it, it's that I've become senile before my old age so I have experience, before I get, before I become a pensioner I know what to expect.
One comment in reaction to this information is illuminating: " I don't think a certified pensioner would be interested in such jobs, and uncertified pensioners, who would probably be interested, won't qualify."
Last month Ronnie Cowan, a Westminster MP from the Scottish National Party, wrote to Britain's Department for Work and Pensions on behalf of some incensed pensioners in his constituency.