Google tops on mobile Web

Google.com topped the list of the most popular mobile Web sites in the both United States and the United Kingdom for the second month in a row, according to M:Metrics. Search, news and social networking sites dominated the list during March. In the U.S., Yahoo.com, MSN.com, Microsoft.com and Live.com rounded out the top five domains, while in the U.K. BBC.co.uk, Orange.co.uk, Three.co.uk and O2.co.uk garnered the most hits.