Act.ly allows you to join in, start or view open petitions. To start a new petition you simply enter the person’s Twitter name and what they should be doing in your opinion.
This makes Twitter ad advocacy tool to reach thousands. How well it will work as a true petition that someone will actually stand by, will be seen shorty. There are over 100 active petitions. You can see recent ones on the homepage or visit the tab that shows the petitions with the most votes.
Interestingly enough, you can also see if the Twitter account they are asking to do the task has responded. GoogleMaps did respond to a request to list a country, which shows this site may be on the right path to making a change.
You cannot target anyone that does not have a Twitter account. This allows them to respond to your request using their Twitter account. You can even add links to videos and other information to include in the petition comments.