2 Twitter 13 – eBizMBA Rank | 250,000,000 – Estimated Unique Monthly Visitors | 24 – Compete Rank | 5 – Quantcast Rank | 9 – Alexa Rank. Most Popular Social Networking Websites | Updated 4/15/2013 | eBizMBA Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15