Mobile app developers should minimize privacy surprises for their customers, report recommends. Report: Mobile apps should avoid or minimize collection of personally identifiable data for uses not related to their basic functionality. Report’s authors said advertising is not a part of an app’s basic functionality, report’s authors say. Some tech industry representatives said the recommendations are a good idea, as long as they are voluntary, but if turned into law, it would drive innovative businesses out of California, they say. The report provides the first state recommendations on mobile app privacy.”]