1. An instrument whose
music is ideas
Smalltalk, EToys, OLPC and the idea of the
Children’s Machine

2. Music is not inside the piano.
Alan Kay

3. ... and education is not inside the
computer ...

4. In the 60’s
Jean Piaget is the great
pioneer
of constructivism
Human generate knowledge
and meaning from their
experiences.

5. 1967 : Seymourt Paper
invent the Logo langage
and the constructionism
Learning should be connected
to real world

6. The Dynabook Vision
Alan Kay, 1968

7. The Dynabook Vision SpaceWar!
Alan Kay, 1968

8. The Dynabook Vision Collaborative
Wireless
Alan Kay, 1968

9. The Dynabook Vision Programmers
of the game
Alan Kay, 1968

10. Moores Law:
Hardware is no Problem!
(ca. 1980 it will be
good enough)
10 years to do
the software

11. Xerox PARC, Alto
1973
Bitmap Display: ca. 600x800
4Mips Microcode performance
128-512KB RAM, 2.5MB Disk
Ethernet LAN, Laser printer Chuck Thacker

12. Smalltalk 72-80

14. Object-
oriented
Programming
Smalltalk-80
Graphical User Interface

15. 2005

16. "It's an education project,
not a laptop project."
Nicholas negroponte
te

17. 100 $

22. Experiments with the real world

23. Warranty applied only if
you disassemble the
machine, Nicolas
Negroponte.

24. Squeak EToys, 1996-now
Children’s programming and Media Environment

25. EToys Demo

26. Squeak EToys: http://www.squeakland.org/

27. ?

28. Links
• Alan Kay’s research group: http://
www.vpri.org/
• Etoys in french: http://community.ofset.org/
index.php/Etoys
• OLPC : http://laptop.org/
• Thanks you to Marcus Denker & Séverin
Lemaignan

29. «The best way to
predict the future
is to invent it»,
Alan Kay