Samsung has revealed that it has shipped over 100 million Galaxy S series smartphones since the debut of Galaxy S in May 2010. It took 2 years and 7 months to achieve this feat. Samsung Galaxy S III is one of the fastest selling smartphones from the company with 30 million sales in 5 months and 40 million in 7 months. However, company credits Galaxy S II for rise to the top on the global smartphone market. According to Samsung, Galaxy S II has been a steady seller hitting the sales of over 40 million in only 20 months.