A method for providing text-to-speech instant messaging is provided. The first measurement arrangement provides a first output indicative of angular motion of the first section and has a bandwidth above 50 Hertz and at least one of, a bias above 5 degrees per second and a scale factor above 10%. The materials are light weight and do not significantly increase engine weight or truck loan weight. The method and system may optionally be used to record information about the query signals, the number of matches recorded, and other useful information about the query signals. The compositions contain a lipophilic compound but lack a polymeric ingredient. The anti-theft display case is provided with at least one first portion and one second portion, one mobile in relation to the other between an open and a closed position, and a means of locking said portions in the said closed position.