By definition, a webinar is a seminar that occurs via the Internet—the Web. Interactive webinars for learning provide a venue for content delivery, as well as presenter and audience verbal and visual interaction through discussion and use of webinar features. If intentionally designed and developed using instructional design best practices, interactive webinars used for learning purposes can be a highly effective and cost-efficient form of training.

Interactive webinars are typically provided in a software as a service (SaaS) format and can be open source, no charge, or proprietary, fee-based. Interactive webinars are delivered live through the use of Voice over Internet Protocol (VoIP) or telephony coupled with visual computer-supported delivery.

The visual component of an interactive webinar can include, for example, slide presentations, video, simulations, embedded URLs, ...