One of the most important skills for a persuasive speaker is to know what they want. When you aim for small-scale changes, such as convincing someone to change their opinion about one thing or another, you are not achieving your full potential as a speaker because it will only affect people on an individual level. A successful persuasive speaker should always be aiming for large-scale changes. The most important skill for any persuasive speaker is to know what they want. When you aim for small-scale changes, such as convincing someone to change their opinion about one thing or another, you are not achieving your full potential as a speaker because it will only affect people on an individual level. A successful persuasive speaker should always be aiming for large-scale changes. This means that the things we say have the power and ability to influence many people at once rather than just affecting a few individuals when speaking persuasively in person or over social media channels like Facebook and Twitter. This way of reaching out has become more popular recently thanks to these social networks which offer us new ways of connecting with other humans who may share our beliefs,