they have demonstrated how examining changes in language help understand long-term changes in behavior. rotate the dial on the bottom of the display and you can immediately see the effect in real time. if you are not completely satisfied, return them within 30 days for your full money back! the brother of one of the men killed said, "it's out of control. the unit is fitted with a kitchen. i learned something new about what makes a good business hotel. still growing and learning and no signs of letting up on tube for the coming months because it definitely helps. 