How Big Is Twitter?

Twitter has continued to generate a lot of buzz and third parties have tried to measure its growth in terms of users and postings. The company has now revealed some interesting statistics that provide an insight into the growth of the company.

Number of registered users : 106 million
Number of monthly visits : 180 million
Number of tweets : 55 million per day
Traffic from third party clients : 75%

Is Twitter actually one-fourth the size of Facebook?