Which of the companies in this list are social media platforms: Twitter, Amazon, Instagram, Square, Venmo, Tiktok, Apple.
In this list, Twitter, Instagram, and Tiktok are social media platforms.
Instruction: Which of the companies in this list are social media platforms: Twitter, Amazon, Instagram, Square, Venmo, Tiktok, Apple.
Context: 
Response: In this list, Twitter, Instagram, and Tiktok are social media platforms.