03/09/2011 01:51 pm ET Updated May 25, 2011

Billion Dollar Market Forming Around Groupons People Wish They Hadn't Bought

There will be about $5 billion spent on LivingSocial and Groupon daily deal-style coupons this year, Wedbush analyst Lou Kerner.

But people who buy those coupons only redeem them about 80% to 90% of the time, according to a Yipit study.

That means $500 million to $1 billion is falling through the cracks.

Naturally, new startups are springing up to pick up the change.

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