When defining your needs, you should compare different virtual event platforms based on features and pricing. Common features to look for include live streaming and recording capabilities, audience interaction tools such as polls, Q&A, chat, and networking, registration and ticketing options, analytics and reporting tools, integration with other platforms and tools, security and privacy measures, and technical support and customer service. Additionally, you need to consider the pricing of each platform which may vary depending on the number of attendees, the duration of the event, the level of customization, and the type of support. Make sure to understand what is included in each package as well as the value and return on investment of each option.