WordPress.com was blocked in China, but like other sites, it is intermittently unblocked and blocked. Blocked signals are not delivered to the process until unblocked. In 2016, the Internet Archive was blocked, however it was unblocked later. The surgeon mistakenly performed the bypass on this unblocked artery. The quarterback then reads the unblocked defensive lineman. The quarterback first reads the defensive tackle or linebacker who is unblocked. YouTube was unblocked on February 27, 2008 after the allegedly blasphemous videos were removed. All Wikimedia sites were unblocked between 17 and 21 June 2004. Clarke was unblocked by Twitter after deleting the posts. Individual domains would only be unblocked upon request. Facebook unblocked the page on 25 February 2019. Having unblocked the passage, Arnoul discovered a large round room with plastered walls. On January 4, 2018, WeChat was unblocked in Iran. Gupta also stated that websites that cooperated with the investigation were being unblocked. YouTube was later unblocked in Afghanistan on December 1, 2012.