Αποτελέσματα Αναζήτησης
23 ώρες πριν · The "like" button on Facebook. The like button, first enabled on February 9, 2009, enables users to easily interact with status updates, comments, photos, links shared by friends, videos and advertisements. Once clicked by a user, the designated content appears in the News Feeds of that user's friends, and the button also displays the number of other users who have liked the content, including ...
23 ώρες πριν · The Underground Railroad was a network of secret routes and safe houses established in the United States during the early to mid-19th century. It was used by enslaved African Americans primarily to escape into free states and from there to Canada. [1] The network, primarily the work of free African Americans (and some whites as well), [2] was ...
