The document provides a brief history of electricity and computing from Thomas Edison's electric lamp in the late 19th century to modern cloud computing and smart phones. Key developments discussed include Nikola Tesla's contributions, the construction of hydroelectric dams like at Niagara Falls, early computers like the Control Data 3600 and Apple II, the rise of personal computers and netbooks, and the growing role of cloud services and wireless connectivity provided by smartphones. The document ends by thanking the reader and providing links to learn more.

2. Electricity is like oxygen
http://www.flickr.com/photos/mzn37/2802221141/

3. Students Studying at Airport
Image from Paul Romer | chartercities.org

4. Thomas Edison’s
Electric Lamp

5. Pearl Street Station

6. Nikola Tesla
1856 - 1943
http://en.wikipedia.org/wiki/Nikola_tesla

8. Niagara Falls

9. China’s Three Gorges Dam
http://www.flickr.com/photos/yuan2003/516870884/

10. Control Data 3600 | 1963
0.483MHz CPU with 1.5MB memory

11. 1977 Apple II Computer
1977 Advertisement from Scientific America

13. Office Computing
http://www.flickr.com/photos/24509941@N00/368511463/

14. Pearl Street Station

15. Office Computing
http://www.flickr.com/photos/24509941@N00/368511463/

16. The Netbook Revolution
http://www.flickr.com/photos/24509941@N00/368511463/
http://www.flickr.com/photos/49503155065@N01/2538461633/

17. Smart Phones
http://www.flickr.com/photos/mastrobiggo/2414317157/

19. The Cloud

21. Google Server
http://news.cnet.com/8301-1001_3-10209580-92.html

22. http://www.datacentermap.com/

23. http://www.telegeography.com 2008

27. Paul Otlet | 1934

44. Yellow - Latin America
Red - Asia
Green - Europe/Africa/Asia
Blue - North America

45. Stephen Downes Ethan Zuckerman Anders Sandberg

46. Thank You!
http://twitter.com/oso