Iran lifts ban on Facebook and Twitter Monday Sep 16,2013

Facebook and Twitter became widely accessible to Iranian users on Monday for the first time since 2009, when the services were blocked in the midst of widespread protests against former president Mahmoud Ahmadinejad

Iranian authorities blacked out Facebook and Twitter in the summer of 2009, when Ahmadinejad's disputed re-election victory sparked massive protests that gained momentum with the help of organizers using social media.

The administration of the new president, the moderate cleric Hassan Rouhani who took office last month, has signaled - on social media, no less - that it will adopt a much different tack from that of its hardline predecessor.

Marking the Jewish New Year earlier this month, Rouhani and Foreign Minister Javad Zarif wrote on their Twitter accounts to wish Jews a happy Rosh Hashanah

                                        Iranian President Hassan Rouhani's official Facebook page

Blocks on Facebook, Twitter back in Iran Tuesday Sep 17,2013

The joy of Iran’s Facebook and Twitter fans was short-lived as authorities on Tuesday restored blocks on social networks after filters were lifted for several hours overnight. 

The brief access was a “technical glitch” that was quickly rectified, according to communications official Abdolsamad Khoramabadi, from the board overseeing Internet in Iran