First came the local daily deal sites: Groupon, LivingSocial, BuyWithMe. There were so many it was hard to keep up. Then came the daily deal aggregators like Yipit and 8coupons. Even Yahoo is starting to aggregate daily deals. Then the daily deal sites started to expand from local deals to national deals, like Groupon's Gap promotion which brought in $11 million in one day. There are now at least 30 daily deal services focussed on national or brand deals, including Amazon's Woot!, UrbanDaddy, Lot18, and Cinderalla Wine. 
Source: http://feedproxy.google.com/~r/Techcrunch/~3/3tGXrHXgS5A/
