Which platforms are primarily used for collaboration in digital events?

WebEx and Adobe Connect are specifically designed for facilitating collaboration in digital events, making them the most appropriate choice for this question. These platforms offer features that are essential for interactive meetings, webinars, and virtual conferences, such as screen sharing, video conferencing, chat functions, and the ability to engage participants through polls and Q&A sessions. The tools provided by these platforms specifically cater to the needs of event organizers and participants, allowing for a seamless communication and collaboration experience.

In contrast, other options such as social media platforms, online shopping sites, and video streaming applications have different primary purposes. Social media platforms are primarily used for social interaction and sharing content rather than structured collaboration on events. Online shopping sites focus on e-commerce rather than facilitating meetings or events. While video streaming applications can be used to broadcast events, they do not inherently include collaboration features like those found in WebEx and Adobe Connect, which are explicitly tailored for interactive and participatory experiences in digital events.