#Egypt was the most popular hashtag on Twitter in 2011, according to a new list published by the San Francisco-based social media company.
Thousands of young Egyptians took to the Twittersphere to post information about anti-government protests in the weeks leading up to February 11, when former president Hosni Mubarak was ousted from power.
Also on the Twitter list was #Jan25 - the date used in Egypt to refer to start of the country’s January uprising.
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Here is the complete list of hot topics and hashtags from 2011: