Lomography are huge in the analogue world starting with Holga's and Diana's then the LCA they really put analogue on the map when e'ryone was chasing 5 megapixel digital cameras.
Here is what Lomo say:
400 ISO still not fast enough? Use Lomography Color Negative 800 35mm film for fantastic results under all lighting conditions. Quick shutters, small apertures, fast subjects and low lights call for a fast film but the last thing you want is to sacrifice your Lomographic colors and effects for a little extra speed. To all of you plastic and multi-lensers, dusk-til-dawners and hi-speed Lomographers—we've got you covered with Lomography Color Negative 800 35mm film! It guarantees amazing results even in low-lighting situations.