The main chart focuses on Twitter mentions of the 49ers and Ravens.

FORBES: Super Bowl Social Command Center Tracks Chatter And Sentiment Surrounding 49ers And Ravens

Mr Ford put more store by a meeting of all the main Stormont leaders to chart a way forward - something he believes won't happen before Thursday.

BBC: Forum receives guarded welcome from loyalists

Mr Gerashchenko's main success was to keep the rouble stable against the dollar, in nominal terms (see chart).

ECONOMIST: Russia's central bank