A method and apparatus is provided for mixing a film of fluid, particularly a film of chemical, biochemical, or biological fluids, undergoing a reaction. In an embodiment, an integrated drug pump may be provided. A communication relating to an account payment that includes a balance due is then transmitted or delivered to a wireless communication device user. The outflow of the blending static mixer is combined with additional extraction liquid. The method includes receiving a first input having a first routine input format, the first routine input format complying with the informal input format, or a second input having a second routine input format, the second routine input format complying with the formal input format. The first shell includes a first contact and a second contact located at a first side of the first shell; and a third contact located at a second side of the first shell, wherein the second side of the first shell is substantially opposite to the first side of the first shell.