From health monitoring to aviation, from mobile password protection to affordable high-end yo-yos and more

- Some aim to put high-tech home maintenance, high art, health monitoring, aviation or rocketeering within reach.
- One group seeks to simplify private access and control over electronic and lockable devices; another group, to simplify and broaden access to videos taken at events.
- Still another uses the latest manufacturing technology to make a pricy toy of equal quality, but less expensive.