Groupon. I have been seeing ads all over the internet for this site. You probably have to.

So what is Groupon?

Use the power of collective buying with Groupon.  Groupon offers a daily deal in your city through the power of group buying. I’ve been amazed at the offers in Indianapolis!

Each day they feature something really fun at an unbeatable price. You can only get it if enough people join that day. There is also a limited amount of discounts. But you must buy it before midnight that night or you will miss out on the deal!

For example, today (11/24) in Indianapolis, you can get a $100 Gift Certificate to Dream Dinners for just $45.

• Expires 08/25/2010
• Limit 1 per person,may buy multiple as gifts. Indianapolis location only. Sampler menu only. Pickup days are Thurs. & Sat., must schedule 24 hours prior.

Past offers for the Indianapolis are include, $35 for a 2 hour cooking lesson, $3 skating and rental, $25 for $50 of dinner, drinks, and cheese at Euphoria.

Offers will vary by location and there are 35 major cities which are offering discounts currently. Also, if the deal doesn’t get enough buyers, your order will be canceled and you will not be charged.

Have you tried Groupon? What did you think?