Revolutionary invention

@malkaff (171)
Romania
May 6, 2009 3:38pm CST
What is the most revolutionary invention you can think of? In what way did it change everyday life for people?
1 response
zedlav23
@zedlav23 (458)
• Philippines
6 May 09
I believe the most revolutionary invention of man is the wheel. It made a lot of difference and changed a lot of aspect in human life. It did not only literally moved us physically, it also moved us technologically.