Behind the scenes at an Iranian technology firm
For the last week, the BBC has been in Iran. It is the longest time a BBC correspondent has been granted permission to report there since 2009.
In the wake of the nuclear deal, the country is now hopeful that sanctions will be lifted.
Western companies are beginning to eye up opportunities, and Iranians realise there is potential for big business.
Major American social media names have been blocked for years, so Iran came up with its own home grown solutions.
Kim Ghattas visited a technology company in Tehran.