In a window? [Her expression is thoughtful as she tries to picture it. It mostly seems like a good way to accidentally on purpose adopt a stray cat.] The big challenge would be to install it without creating weak points in the glass. If you wanted it as a quick exit point, it might work to do a window that tilts out but can't be opened from the outside.

[She lapses into silence to listen to him as they walk. The restaurant is just two blocks up ahead on the other side of the street. She flashes him a quick smile at his question.] No one should trust the internet. It's a necessary evil. If you want, I can give you a flash drive before you leave with some security protocols on it. I have a couple of spare untraceable burner phones too if that would be helpful.