It is not whether technology is used (or not) which makes the difference.
What does the "which" refer to? "Technology"? or something else?
I think "which" refers to the situation where technology is used and the one where it is not used.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
I think "which" refers to the situation where technology is used and the one where it is not used.
It is not [whether technology is used (or not)] which makes the difference.
This is a cleft construction, where the underlined expression is a relative clause.
The function of "which" is subject of the relative clause, where it refers to the bracketed interrogative clause "whether technology is used or not" (called the 'antecedent').
No