Amazon.com is dominating today's online "Cyber Monday" buzz.

As of midday, CNBC's Exclusive Real-Time Retail Read has the Seattle-based Internet retailer at the top of the list, followed by Target, Wal-Mart Stores, Best Buy, and Old Navy

On Black Friday, Wal-Mart held the top spot for online buzz.

Our online buzz list is powered by .  They're continuously ranking 20 top retailers today, as measured by mentions in Tweets, Facebook posts, news site posts, and blogs.

Collective Intellect also scours online comments to generate a list of retailers where shoppers are most likely to buy something. Again, Amazon.com is number one, followed by Apple, Best Buy, Wal-Mart, and Target.

Questions? Comments? Email us at consumernation@cnbc.com. Follow Christina Cheddar Berk on Twitter @ccheddarberk.