Groupon thinks it is worth $3 Billion, Living Social is entering Australia in a big way, Yahoo! is entering the fray. When it comes to the daily deal space, there is certainly no shortage of news. Collective Buying, or the daily deal phenomon or whatever you call it is the most innovative form of advertising to hit the industry since Google Ads. What started with just Groupon negotiating deals has evolved into an industry crammed with over 180 companies in the U.S. (and countless more abroad). Here is a list of the amount of deals that have been aggregated on 8coupons.com.