breakdown of tiktok's success:

- their algorithm is a standard recsys, NOT some breakthrough
- infinite scroll UX to mitigate bad recs
- natively adopt vertical video
- de-emphasize follow graph
- emphasize exploration/niche topics

https://knightcolumbia.org/blog/tiktoks-secret-sauce

TikTok’s Secret Sauce

@swyx how important was the right and easy-to-use music, audio filters I wonder?
@maghav for sure - unbundling the video so that you can just lipsync was a big insight of musically