I worked as a sales manager at a group buying site which is a competitor of Groupon, and it amazed me how well off they were despite playing a domain you would

I worked as a sales manager at a group buying site which is a competitor of Groupon, and it amazed me how well off they were despite playing a domain you would expect to be monopolized by a goliath like Groupon. Just goes to show how much room for expansion there is in the niche.