The PGPro app for encrypting text and sharing individual keys with friends. 

Here’s that sentence fragment again:

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b/kZgsrq9Rbzi0aXdB3dekH8RkvCo0bOhF7QpwWkEdfD1a6wj5s8p0FvqAT/Jik2C6lgSmB6N6lm
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0oUBHJ8tayf43Z/cRAOO9daEPt5bYhtW/AfuWflLAsAh29SUrdY+wkGp68LIhHdCmfDzqKP9uNrS
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cw0/1JAnatg/IvckqE44GD/FExc3
=Q24M