Wear Regular glasses not contacts.
Answer: Without GUI's being developed, we most likely would still be using terminal systems. Terminals require command/text input rather than mouse or other input. The invention of GUI's enabled people to use simpler input methods, rather then clunky text input systems. To sum, GUI's simplified the computer experience as we know today.
Hope this helped :)
An ordered list.
<ol>
<li> This is the first item.
<li> This is the second item.
</ol>
"detection" by checking for possible cycles or knots.
This is to much work for 5 points cmon