# Opportunistic Charging The iYo-Yo By Cowbag | Published 2008-09-22 | Eco Source: Trend Hunter, https://www.trendhunter.com/trends/iyo-yo-making-charging-your-apple-handhelds-into-a-game References: [blip](http://blip.tv/play/gZg2zqs3gqlC) As much as yo-yos are fun, they are now also a very green and hip way to charge your electronics. The [Apple](https://www.trendhunter.com/trends/iphone-gaming-controller) iYo comes from Swedish designer Peter Thuvander. The lithium ion cell wind-up remote is based on the OLPC crank. "The remote control needs only 30 cranks--which is nothing when you yo-yo," says Thuvander. "I think I'd at least use it as an [emergency device](https://www.trendhunter.com/trends/portable-batterycharging-device) for all the dead [iPhone](https://www.trendhunter.com/trends/g4-charger) moments I have." The technology is way beyond me, but if it works and looks as cool as it does in these pictures, then I must have one. ## Trend Insights (Trend Hunter) - Score: 2.0/10 - Popularity: 8% | Activity: 43% | Freshness: 8% - Audience gender: 70% men, 30% women - Primary generations: Gen Z, Millennial, Gen X - Top markets: North America, Europe, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Eco](https://www.trendhunter.com/eco) ## Key Themes ### What's Driving This Trend - **Green Charging:** The iYo-Yo utilizes yo-yo motion to generate green and sustainable energy for charging electronics. - **Crank-powered Devices:** The iYo-Yo demonstrates the potential for crank-powered devices as a reliable and environmentally friendly power source. - **Emergency Power Solutions:** The iYo-Yo's ability to function as an emergency charger presents an opportunity for innovative power solutions during times of low battery. ### Who This Affects Most - **Electronics:** The iYo-Yo introduces a new approach to charging electronics, potentially disrupting the traditional charging industry. - **Sustainable Energy:** The iYo-Yo showcases a unique application of sustainable energy, which could disrupt the conventional energy industry. - **Consumer Electronics Accessories:** The iYo-Yo offers a new accessory category for consumer electronics, providing an alternative and eco-friendly charging solution. ## Related on Trend Hunter - [Rolling Technology Chargers](https://www.trendhunter.com/trends/freestyle-wireless-charger.md) - [Vibrant Lanyard Charging Cables](https://www.trendhunter.com/trends/lanyard-charging.md) - [Frozen Treat Power Banks](https://www.trendhunter.com/trends/popsic-charger.md) - [Computer-Inspired Smartphone Chargers](https://www.trendhunter.com/trends/g4-charger.md) - [Decorative Device Chargers](https://www.trendhunter.com/trends/tricharge-wireless-charger-concept.md) - [Display-Equipped Smart Chargers](https://www.trendhunter.com/trends/dino-charger.md) - [Crank-Powered Wireless Peripherals](https://www.trendhunter.com/trends/mechanical-energy-harvesting-combo.md) - [Retro Gaming Chargers](https://www.trendhunter.com/trends/mobile-boy.md) - [Origami-Style Charger Hubs](https://www.trendhunter.com/trends/wicharge-folding-wireless-charger.md)