All 5 Uses

information technology
in
The Girl with the Dragon Tattoo
(Edited)

Most importantly, he hired the best telecommunications technicians and IT experts.
Chpt 1.2

IT = Information Technology (computer and telecommunications)
Operations were divided among three main areas: security consultations, which consisted of identifying conceivable or imagined threats; counter-measures, which usually involved the installation of security cameras, burglar and fire alarms, electronic locking mechanisms and IT systems; and personal protection for private individuals or companies.
Chpt 1.2
He asked Milton's technical director to give her a basic course in IT science.
Chpt 1.2
The only news of interest was a brief item explaining that a local politician by the name of Birger Vanger (Liberal) was going to invest in "IT TechCent"—a technology development centre in Hedestad.
Chpt 2.8 *
Aftonbladet is owned by a huge Norwegian corporation, which in turn is a major player in IT and communications—does that mean that anything Aftonbladet publishes about the electronics industry is not credible?
Chpt 2.14

Definitions:

(1) (information technology as in: IT or Information Technology)
the branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information
(2) (meaning too common or too rare to warrant focus)
It is much more commonly used to identify something or someone, as in "It was beautiful."