Since it is such a popular mode of communication, you might want to print out memorable chats. Or perhaps you need them as ...
The Octo4a project lets you use an old Android phone as a 3D printer server, web interface, and even time-lapse camera to make those nice movies where the print seems to grow up out of nothing ...
This means you won't be missing out on much by ... text app on most Android phones), you can access your text conversations from Google Chrome on your computer and print them from there.