It has been announced that Google has invented a novel way to monitor blood glucose levels for patients with diabetes. This is wonderful news. We also need a new device by which we can monitor electrolyte levels in blood easily. Some patients with Wolfram experience low sodium levels. This is probably due to the combined effects of diabetes mellitus, diabetes insipidus, and DDAVP treatment. Low sodium is life-threatening. We need a small device that a patient can carry to monitor blood sodium levels.