First draft of the introduction

Rewrote the introduction as a usecase.

Pulled the introduction into a separate file.

This is a first draft but thought I'd get out a general idea of the introduction I had out as soon as possible.
Hmm, the context continues, but you placed 2 enters. Also, smartphone in lower case, spelling mistake, and a small punctuation issue:

"That is, if the owner of the smartphone even realizes a search is happening and it is possible to intervene."

You randomly seem to introduce the notion of a "search", which is kind of strange. I'd suggest:

"The danger in this is, that one might not realize that his phone is being searched and an intervention may not be possible."