The popular Sarahah app has been collecting more than just feedback from friends and family. Senior Security Analyst Zach Julian discovered it has been uploading user’s personal information which is discussed in this International Business Times article – Find Your Friends: Sarahah Collects Contact For Feature That Doesn’t Exist. You can read more about Sarahah’s access to users’ contact information in Julian’s blog post Hot New ‘Anonymous’ Chat Hijacks Millions of Contact Data.