Twitter Crosses 500 Million User Mark In June
A social marketing company Semiocast has revealed that Twitter has crossed the 500 million-user mark in June. Semiocast has also stated that out of those 500 million users, 140 million users were from U.S. alone. Brazil took the second spot with over 40 million Twitter users. Twitter was expected to reach the half-billion mark in February 2012, but as the month and others passed by, the company did not say anything about it....