There's another "smart" device you stick in your vagina, and it wants to prevent leakage during your period. The tampon monitor comes from startup my.Flow and can detect how saturated your tampon is ...

I wasn't surprised two weeks ago when I was invited to see an early demo of a so-called smart tampon. I am, after all, one of few women who write for Engadget. Indeed, as I would later find out, the ...