Global network (8)
I believe the answer is:
internet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">global network</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for internet that I've seen before include "Global computer system" , "communication set-up" , "Electronic maze on which websites are based" , "Here, blogs" , "Global computer linker" .)