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Friday Fun Thread for January 10, 2025

Be advised: this thread is not for serious in-depth discussion of weighty topics (we have a link for that), this thread is not for anything Culture War related. This thread is for Fun. You got jokes? Share 'em. You got silly questions? Ask 'em.

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Question for the software engineers:

Is there anything uniquely innovative or difficult to reproduce about the software/codebase for any of the big social media platforms (particularly Twitter/Facebook/Instagram/Reddit/TikTok/Youtube) or is their hold on the market mostly a result of network effects and their established large user bases?

Edit: Having clarified my thoughts after early responses, I think the core of what I want to understand is this: I know that there a many very intelligent people being paid handsomely as software engineers for these sites. Given the apparent simplicity and minimal improvement in the basic functions (from a user perspective) of many of these sites, what is it that these engineers are actually being paid to work on? Aside from server reliability, what other things do they need all these bigbrains for?

"Describe how you would implement a Twitter clone" is a fairly standard and easy interview question a senior software engineer should be able to answer to a reasaonable amount of detail. (The same question about Ticketmaster is significantly harder which would surprise most people outside the industry.)

Ticketmaster is way harder of course due to heterogeneity of the underlying data.