Tear gas and Twitter: Iranians take their protests online: Via CNN.com.

(CNN) -- Iranian protesters have found a new outlet to mobilize and take action. The presidential election has proved how much opposition supporters can demand change without necessarily taking to the streets. Just give them a computer and an Internet connection and watch what they can do.

At the height of the protests and disorder in Tehran on Saturday and Sunday, Twitter was used to give graphic accounts to a worldwide audience - even if they were a maximum of 140 characters.

Tweets from "Change for Iran" were among several that offered real time updates: "...my friend saying more than 100 students arrested, I can't confirm this but the numbers are high. bastards just attacked us for no reason, I lost count of how much tear gas they launched at us! ...we have now some students with urgent need of medical attention I'm calling out to all ppl who can come here don't leave us."

Some Iranians are already veterans on social networking sites with loyal followings. They offer the world a unique voice: free, unfiltered and very different from what the Islamic Republic of Iran's media propaganda offers viewers and readers.

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Still, it provides users with an outlet to the outside world as the country waits for broadband and wider wireless coverage. With the absence of text messaging and mobile services -- both were cut off across the country on and around election day and were still blocked on Sunday -- Twitter proved to be the most reliable communication technique between people inside Iran and millions of others on the outside thirsty for any update.

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