No commie sympathy here
Lest anyone think I'm "glorifying Red October," let me make an important historical note. Contrary to much popular misunderstanding of events, Nicholas II actually abdicated in following 1917's February Revolution, while Lenin was still living in exile in Zürich; the October "Revolution" was really a coup that overthrew the provisional government. The Bolsheviks forced the country to hold new elections, and when the results only gave them only a quarter of seats in the legislature, they forcefully disbanded it.
But names stick, so what can you do? Anyway, they make delicious stuff, and have some very attractive wrappers. (But they've since relocated; see below.)
You can't get the tour anymore, as the main factory moved away from the center of town. But the place has become home to galleries and studios, and it's one of the coolest spots in town for foodies and clubbers.
More info:
You'll find a brief overview from a language institute here.
Weburbanist.com has more detail and lots of pics.
My Destination has a good article on the current state of things.