Interactive presentation skills in JHB helps with effective presentations and an interactive session should be part of a successful course. To keep the interest of your audience alive a good way is to have an interactive session during the presentation as you go from one slide to the next and ask them questions about it or answer their queries. Both ways you know that they are listening to you and are absorbing what you say. Part of the presentation skills in JHB and effective presentation of a presenter depend on the ability to hold the interest of the audience throughout the presentation. If you converse with them you also get to know whether your talk has a positive response or not. If there is a point lacking then you could always emphasize on it later and make them see things your way or at least understand you better. By not talking to them you will never know what their reaction was to your presentation or going to presentation skills in JHB.