comScore has released its Top 50 U.S. Internet properties for June 2009.
The top five properties are Google, Yahoo, Microsoft, AOL and Fox.
New to comScore’s Top 50 US Internet properties, Twitter.com entered the list for the first time @ #46 with 20+ million unique visitors.
Will Twitter.com climb comScore’s list any further next month or has Twitter already reached its maximum potential audience?
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