Here’s a (hopefully toy) cat to toss amongst the pigeons – Microsoft is rumoured to be eyeing up a deal that would make Bing the default search engine in Mozilla Firefox. Might that momentum help tips the scales in its favour with Mozilla?It’ll certainly need to offer something other than just more money for a switch like this to stick — the Yahoo! deal was incredibly short-lived due, in part, to Firefox users ignoring the default and making Google the default anyway. Might that momentum help tips the scales in its favour with Mozilla?It’ll certainly need to offer something other than just more money for a switch like this to stick — the Yahoo! deal was incredibly short-lived due, in part, to Firefox users ignoring the default and making Google the default anyway