One of the biggest stumbling blocks for most people when it comes to public speaking is not how to overcome nervousness, but just getting a topic to start talking. Speech topics act as a base upon which the whole speech is built. In fact, the subject you pick could make you even more familiar with your audience, which thus results in highly convincing speeches. https://techreviewmedia.com/25-engaging-speech-topics-that-keep-your-audience-inspired/