Easy, Fast and Cheap Encryption tool

We are going to create an easy and fast to use encryption tool that could be used by everyone. This tool will be part of our research about encryption in everyday life as an example what could be used in everyday life by everyone. So our goal is to create a tool that can be easily used to share and store private files and folders, everyday if needed. We created this form so we could hear what people really want from an encryption tool that they could use in their everyday life. All answers will be anonymous.