- A phone-compatible pressure sensor that reads blood circulation to your legs and tells you when you've been sitting still for too long.
- Memory-fibre shoelaces that always sit perfectly once tied.
- A smoke detector synced with a thermal camera to record data in an emergency.
- A company that pays all employees the same salary of $75,000 per year; reflecting the Princeton study that revealed happiness correlates with income only up to that amount.
- A notepad app that let's you find a citation on Google Scholar in-app and formats it automatically.
- A chat app widget that provides communication data for the people you chat with, that clearly shows you the times and days of the week they're most responsive.
- A workout record that examines your gains over time and projects future curves and recommended routines and timings.
- An analogue-dial belt buckle that you can adjust by the millimeter. Keeps your belly comfortable no matter how big your lunch was.
- A city initiative with kiosks allowing the public to trade illegal narcotics in their possession for the same weight in noopept, racetams, or other over-the-counter smart drugs, no questions asked.
- An auto-retracting headphone cable. Like a tape measure.
- Vending machine on a bus.
- A sturdier office chair with an incline sit-ups mode.
- Electronic pen attachment that gives you data about how you write: pressure, legibility, letter consistency, writing speed, and amount written per session.
- Modular cologne set enabling users to easily customise themselves a complex, unique library of scents.
- An electronic fabric tape measure that sends your measurements to an app. The app matches your measurements to sizes of clothes you browse online, and tells you what sizes and items will fit, without you ever having to think about it.
Also! a carpenter's tape measure that sends measurements to an app that records the dimensions of materials in your project. The app uses that data to create a model of the project to more reliably confirm your timber lengths before you cut.
- A medical history app allowing you to easily share relevant parts of your medical history with other users. Makes hooking up safer.
- Subscription service weekly pizza deliveries, am I right?
- One tap camera and video apps: you point your phone, tap the app icon, and boom you're recording.
- An EMF reading device that detects and notifies you when cameras and microphones are active in the vicinity. (So you can stand up straight and look good even in paparazzi pictures!)
- Sensors on door and window thresholds that log data on bugs entering in and out.
- A heart rate app that measures your heart rate fluctuations during your date to let you know exactly how hard you fell.
- Legislation allowing complex placebos to be sold as supplements, offering claims of non-medical health benefits.
- An app with optical recognition that can isolate a person's outfit into garments from a photo, recognises patterns and colours, and offers style suggestions based on pre-programmed style rules.
Bonus feature: the user can configure their own style rules, and specify colours, tones, and patterns they like.
- A drone-mounted water blaster for cleaning your roof without falling off the ladder.
- A study exploring the correlative and causative effect of housing density on urban sprawl, traffic congestion, and pollution per capita.
(I'm going to do this one, so let me know if you start and I'll help your project instead of duplicating it - Michael)
- Long-range metal detector, capable of identifying concealed items from a distance.
- An English lexicon of new terms specifically for describing scents.
- An experiment showing the neurological effects of changing language to take responsibility for ones own state. Instead of "you made me feel," replaced with "the way I feel about that is."
- An app that lets you take a photo of a leaf, fruit, bud, or bark of a tree and tells you what tree that is. (This idea by Helena P)
- Browser plugin that presents every news article side by side with an article from the source with the opposite bias. (This idea also by Helena P)
A thought-prompt generator app and website. Hit a button, get something to think about. If it's not interesting, hit it again.