An ink cartridge for supplying an ink to an ink jet type recording head is made of a paper box formed with an ink chamber. In one embodiment, a modular, electrically powered lawn or patio umbrella in which lighting systems, such as those utilizing cold cathode tubes, LED’s, or florescent lights; cooling systems, such as those utilizing electric fans or misting systems; and motorized retraction systems; can be selectively interchanged is provided. One or more query terms are received from a user. A mixed gas tube is connected to and is in fluid communication with the conduit outlet. A pay-per-lead tracking module is operable to track consumer leads provided to the third-party vendor; and a feedback system enables at least one of the consumer and the third-party vendor to leave feedback regarding a lead tracked via the pay-per-lead tracking module.