Sometimes a technology idea is too good to be true. A flexible keyboard, Internet voting and watching feature films on your smart phone are examples. Today, these concepts are still evolving, but they’re broken right now.

Here are 10 high-tech ideas that sound good but don’t work out so well in practice

1. Ultracompact PCs
2. Satellite Internet
3. Contact managers
4. Digital streaming adapters
5. Video on a phone
6. Web 2.0
7. Electronic books
8. Internet voting
9. Video blogs
10. Flexible keyboards

Read more: 10 broken technology ideas and how to fix them