This is the case that may deliver a knockout blow to businessmethodpatents, those patents that everybody from free-software zealots to conservative Republicans love to hate.
It merely added a minor tactical impediment to trolls by limiting the number of defendants that could be joined and it added a special temporary process for reviewing businessmethodpatents.
In the couple of decades which have passed, courts have put some limits on businessmethodpatents but have allowed a lot of them to remain powerful weapons which motivate companies like AOL and Microsoft to buy and sell.