Iranian officials have called for users to leave the encrypted messenger and move to a homemade alternative, complete with "death to America" and "Let's pray" stickers.
Iranian Foreign Minister Mohammad Javad Zarif said one option "would involve resuming at a much greater speed our nuclear activities."
Speaking at a military showcase, President Rouhani blamed "invading powers" for shoring up presence around Iran.
Iranian Major General Qassem Soleimani, commander of the Islamic Revolutionary Guard Corps' Quds Force, has left the shadows for the spotlight.
The palace hosts the office of the country's president, Hassan Rouhani.
In 1953, the CIA backed a coup against democratically elected Iranian Prime Minister Mohammad Mossadegh, restoring absolute power to the Shah.
Iranian officials accused the U.S. of once again meddling in their internal affairs and offered to help Trump address his own hunger problem.
Major General Abdolrahim Mousavi, head of Iran's army, said there would be no Israel in 25 years. His Arab rivals in the Persian Gulf appear to differ.
"I have a Twitter account and I think it is a suitable tool for public diplomacy, connecting to people around the globe and voicing our ideas."
Rouhani had a resounding win but angered hardliners with his comments during the campaign, and they are likely to create problems for him.
New footage emerged of Iran's Qaher F-33 stealth fighter jet, which Western critics said was further away from its first flight than Tehran claimed.
Under Iran's settlement with the United States, France, Germany, Britain, Russia and China, Tehran agreed to shrink its nuclear program to satisfy the powers that it could not be put to developing atomic bombs.
President Hassan Rouhani sees Congress's vote to extend the sanctions act for 10 years as a violation of the nuclear deal.
The Russian president is meeting his Iranian counterpart, Hassan Rouhani, next week.
The recent Iranian elections changed the game. But the supreme leader remains firmly in control.
The cartoon contest, planned for June, will "incite hatred, racism, and discrimination," says UNESCO chief.
Make no mistake: We negotiated with terrorists, and the terrorists won.
An escalating dispute between Iran and the U.S. centers on the types of missile that the Islamic Republic is allowed to develop.
Ever since 1979, US leaders have tried to influence factions of the Iranian government, with little success.