In response to the consumer demanding a product that was more durable with a better grip and with a uniformly round shape that could be retained.
many improvement have been made over years
More and newer technology has been made and it improves the cars immensely
the tpwrietyer has been tenrud itno a cepomtur oevr tmie.................
It has been able to play videos and have bigger GB.
there was first a stone they called a reading stone then they made triangler type of glasses over the years glassesd have become better looking and much more practical to use
before time they didnt have washing machines they used scrubbing boards
Madden has not made any real improvements over the past few years, get Nhl 11
They have changed many times like from being sun dials to wall clocks to digital watches.
The United States is number one, China closely behind. China has made huge improvements in technology over the years.
it can be used without electricity