Twitter, Youtube, and the force of the movement for change in Iran make it difficult for the government to paint the protesters as tools of foreign powers.
Unrest has also erupted in Guatemala and Nicaragua in the past year, and the region is dealing with powerful organized crime and drug traffickers.
Some are criticizing the president's determination to engage Iran on its nuclear program amid a brutal government crackdown in the aftermath of what many say is massive election fraud.
Protests against taxes and red ink are set for this weekend. Their potential to form a formidable national movement is unclear.
Supporters of ousted President Zelaya blocked streets Wednesday, vowing to protest until he is reinstated.
Witnesses describe the unauthorized rally in Tehran Sunday that was ultimately broken up by police and militia.
The tally so far in one district gave President Mahmoud Ahmadinejad even more votes than he had on June 12, according to Iran's state news agency.