Skills: Concepts: data types, research precedes development, design for the future

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

Data type evolution

Where does this topic fit?

• Internet concepts– Applications– Technology (history)– Implications

• Internet skills– Application development– Content creation– User skills

When data types went mainstream

Data type Decade

Numeric 1950s

Alphanumeric 1960s

Text 1970s

Image 1990s

Speech 2000s

Music 2000s

Video 2000s

HD video 2010s

Numeric data, the 1950s

123.45

“Computers” in the 1940s

ENIAC, 1946

Alphanumeric data, the 1960s

Emp. # Name SS #Hourly

rateHours

worked Gross pay

1 Robinson, Jackie 12428482928 10 40 $400

2 Ladd, Alan 37285448784 12 40 $480

3 Douglas, Kirk 11185634635 54 40 $2,160

4 Dean, James 33556903905 34 40 $1,360

5 Gable, Clark 10067071171 12 40 $480

6 Davis, Bette 30201213515 34 40 $1,360

7 Monroe, Marylin 90603640545 76 40 $3,040

8 Williams, Ted 27181092163 46 40 $1,840

9 Ruth, George 81543276490 49 40 $1,960

10 Merman, Ethyl 24462982947 21 40 $840

Univac 1, 1951

Text data, the 1970s

Four score seven years ago …

Word processing began with punched cards

Word processing, 1968

PC word processing, 1975

Image data, the 1980s

Image processing, 1954

PC image processing, 1984

Digital cameras, 1990

Cameras everywhere

Speech data, the 2000s

Packet voice conference, January 1978

Watch the video (5m 18s)

Vocaltec on the Internet in 1995

Skype, 2003

Music data, 2000s

The Illiac computer

Napster, 1999-2001

Apple iTunes store, 2001

Video data, 2000s

Bell labs video, early 1960s

Small, low quality video

Improved video, 2005

First YouTube video

HD video data, 2010s

Cable TV vs. the Internet

Video data is driving infrastructure

Cisco global wireless data traffic projection

Summary

Data type Decade

Numeric 1950s

Alphanumeric 1960s

Text 1970s

Image 1990s

Speech 2000s

Music 2000s

Video 2000s

HD video 2010s

Self-study questions

1. We spoke of several data types, do your recall them?2. Which was first?3. Which is most recent to become feasible on the Internet?4. What was the contribution of Ivan Sutherland?5. What was the contribution of Doug Engelbart?6. How long was it between the Wright Brother’s first flight and the

beginning of the commercial aviation industry?7. How long until air transportation and freight became mainstream?8. How long until we landed a man on the moon?

1. Logicam FotoMan: http://historical-cameras.blogspot.com/2008/11/dycam-model-1-logitech-fotoman.html2. History of the Experimental Music Studios at the University of Illinois: http://ems.music.uiuc.edu/history/3. Video of “The Demo” by Doug Engelbart: http://sloan.stanford.edu/MouseSite/1968Demo.html4. Video of Ivan Sutherland demonstrating Sketchpad, narrated by Alan Kay: http://

www.youtube.com/watch?v=mOZqRJzE8xg5. The original Macintosh: http://lowendmac.com/compact/original-macintosh-128k.html6. Demonstration of Arpanet packet voice conferencing: http://www.youtube.com/watch?v=MGat1jRQ_SM7. Experimental Bell Labs videos: http://www.youtube.com/watch?v=Q6jBB4f8g6s and

http://www.youtube.com/results?search_type=&search_query=ken+knowlton+beflix&aq=f8. First YouTube video: http://www.youtube.com/watch?v=jNQXAC9IVRw9. The cost of the information services model. 10. Announcement that data outpaced voice traffic on the cellular network for the first time: http://

www.youtube.com/watch?v=LAZsma-JrNo11. The rapid growth of mobile data as opposed to mobile voice traffic: http://

gigaom.com/2010/03/24/mobile-milestone-data-surpasses-voice-traffic/ and http://gigaom.com/2010/02/09/cisco-the-mobilpocalypse-is-coming/

12. Cisco wireless data projection for 2015: http://www.cisco.com/en/US/solutions/collateral/ns341/ns525/ns537/ns705/ns827/white_paper_c11-520862.html

13. Mobile Internet growth faster than fixed: http://gigaom.com/2010/04/12/mary-meeker-mobile-internet-will-soon-overtake-fixed-internet/

14. Podcast on female programmers of ENIAC, the first numeric computer: https://plus.google.com/114528586908817727732/posts/Cp22zv1emLm

Resources