Yes, its good and  I've tried it.It's strange at first but it replicates most of the habit-forming experiences of smoking cigarettes while delivering nicotine mist instead of smoke. I don't know if it's less harmful but it definitely is cleaner. And I'm very psyched about not having to worry about ash, loss of oxygen to the brain, burn holes, stinky fingers, stained teeth, etc. It was pretty cost effective at $80 for the battery and cartridges that are supposed to be the equivalent of 10 packs of cigarettes.I believe use of the electronic cigarette was a helpful step to my eventually quitting completely