i was the one people came to for help. as for an alert, one cannot but hear it even if the device lies under clothes or in a bag. to my most pleasant surprise, the intelligent operation of machine has saved me a lot of time and costs. an interesting pen -- thank you for the review. this diet is also healthy for my skin and it helps me to be active and enabled. the good man does not escape all troubles—he has them, too. the shuttle service makes sense but it will be interesting to see if it takes root. 