It hasn't really, but they are looking stylish now like stainless steel ones.
Yes it has
yes it has changed over many years
the heating has increased by tons
Because people's interest has changed over the years.
Wave rock has changed over the years because it has changed colour
has hats changed over the years
The toaster changed the world by giving people warm, crunchy bread !
Computers have changed in many ways over the years. Technology has advanced< and it has become more easy to do stuff!
it changed by... well it changed... It just changed!
The actors over the years have changed
whyhas the milk packaging changed over the years