Communication
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Background: The term ”helicopter parenting” refers to an intrusive style of overprotective parenting where a parent is constantly micromanaging their child’s every activity. (Metaphorically, the parent is “hovering” like a helicopter around their child.) Proposal: Until recently, this was just a metaphor: it was simply not technically feasible for a parent to supervise and express…
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Background: Job-related social media sites (the largest of which in 2025 is LinkedIn) typically have a newsfeed that shows users what their former co-workers and classmates are working on these days. The Issue: There is a strong selection bias for what actually gets posted: most posts are from people reporting their successes in business. This…
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Background: Diligent coworkers frequently set their email system to auto-reply with a specific “out of office” message when they’re on vacation. For example: “I’m gone on vacation until July 25, please email me after that.” The Issue: It can be annoying to have to wait for a coworker to return from vacation to ask them…
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Background: There are a surprisingly huge number of emoji for expressing relatively rarely-used concepts, such as 🎍 (bamboo decoration), 🤾🏻♂️ (handball), 🎠 (carousel horse), 🛖 (thatched-roof cottage), and 🛋️ (couch and lamp). The Issue: Weirdly, there is no “standard” emoji for unambiguously expressing the concept “thanks!” or “you’re welcome!” One commonly seen approximation is 🙏…
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Background: When you’re the admiral of an 18th-century navy and you want to communicate with the many other boats in your fleet, what are you going to do? Obviously you can’t just send text messages to the other captains, since you’re in the middle of the ocean and won’t have any cell reception. The answer…
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Background: Computer speakers can play high-frequency sounds that a dog can hear, but a human cannot. (This will be important later.) The Issue: People often wish they spent less time casually browsing / “doom scrolling” on the Internet. Unfortunately, it’s a hard habit to break! Proposal: This solution is very simple: an operating system can…
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Background: In the year 2023, machine learning based chatbots finally became superior to the average human*. One interesting feature of these chatbots is that they provide the ability for the user to regenerate an answer. Here’s how the ChatGPT system handles answer regeneration: Not bad at all! [*] If you don’t believe this, please spend…
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Background: In the early 2020s, the appeal of short (< 1 minute) videos became widespread, with TikTok, YouTube Shorts, Instagram Reels, and other services vying for market share. (Surprisingly, the earliest major entrant into this genre, Vine (https://en.wikipedia.org/wiki/Vine_(service)), completely failed and was shut down in 2017). The Issue: Unfortunately, the popularity of “bite-sized” videos has…
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Background: In the mid-2010s and 2020s, the service “Twitter” was a popular method for celebrities to share short messages with their followers. It had the unusual property of requiring short posts (originally only 140 characters). This was originally due to ancient historical limitations on sending messages (called “SMS”es) over phones, but a slightly-increased limit was…
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