I'm not saying it's a bad idea. It's a good idea but it is from the late-90's playbook of user-acquisition desperation, which is perhaps concerning. It's more

I'm not saying it's a bad idea. It's a good idea but it is from the late-90's playbook of user-acquisition desperation, which is perhaps concerning. It's more expensive than $10 per new user since all existing users also get the deal, though. I also signed up after hearing about it and I never joined either. It's going to be interesting to see how wild this gets. Not that Groupon will retort, just in how high these numbers will go by tomorrow morning.