New Apple guidelines: Apple won't let developers pull info about your contacts anymore Developers can no longer create databases with information from iPhone users' contacts. They also can't share such a database with a third party, or sell it. June 12, 2018 https://www.cnet.com/news/apple-changes-app-store-rules-to-restrict-developers-access-use-of-data/
Google should learn from Apple’s cryptocurrency guidelines Apple's new cryptocurrency guidelines are strict but needed June 12, 2018 https://thenextweb.com/hardfork/2018/06/12/apple-google-cryptocurrency/