Final answer:
The two major kinds of online speeches are podcasts and videos. Podcasts are streamed spoken-word audio, while videos are visual recordings that may incorporate multimedia components.
Step-by-step explanation:
The two major kinds of online speeches are podcasts and videos. The main difference between them is their format and delivery. Podcasts are streamed spoken-word audio that can be accessed and listened to at any time, while videos are visual recordings that may incorporate multimedia components and require a screen to be watched.
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