Wharton School Names Top 20 Innovations in Last 30 Years

See "Life changers," NYT, 3/8/09, at Business p.2

1. internet, broadband
2. PC and laptop computer
3. mobile phone
4. email
5. DNA testing/sequencing
6. MRI
7. microprocessor
8. fiber optics
9. office software
10. laser/robotic surgery
11. open source software
12. light emitting diode
13. LCD
14. GPS
15. ecommerce and auctions
16. media file compression
17. microfinance
18. phovoltaic solar energy
19. large scale wind turbines
20. internet social networking