A portable folding seat has a fabric seat supported in an open position by support rods and a rigid canister. The first party accepts payment via a plurality of different payment options selectable by the second party, and the plurality of different payment options are associated with a plurality of different authentication protocols prescribed therefor. The gateway may receive, from one or more other broadband gateways residing in one or more other locations, information that enables determining past, present, andor expected power consumption of the other location. A GMSK correction circuit determines a correction term that is added to the filter circuit output so as to correct amplitude variations to allow the output to conform to GSMEDGE standards. The triggering email or SMS message only requires minimal special formatting, such as containing the sender’s registered email address in the \u201cfrom\u201d field and the called number in the \u201csubject\u201d field. These compounds are inhibitors of RNA-dependent RNA viral replication and are useful as inhibitors of HCV NS5B polymerase, as inhibitors of HCV replication and for treatment of hepatitis C infection in mammals.