Information Technology Reference
In-Depth Information
This.is.most.important.when.you.consider.the.implications.
for.the.preservation.and.integrity.of.electronic.data.for.litiga-
tion.or.any.other.reason..The.action.of.turning.on.your.com-
puter.makes.changes.to.some.of.the.data.that.reside.there..
Opening.a.ile.in.a.word.processor.makes.changes.to.that.ile,.
even.if.you.do.not.change.anything.in.the.words.or.even.type.
in.a.new.comma.
And.that.brings.us.neatly.to.the.end.of.this.section.with.
our.inal.discussion.on.metadata.
3.15 METADATA AND OTHER
NONAPPARENT DATA
As. the. inal. section. of. this. chapter. discussing. the. location.
and.types.of.places.that.data.can.live,.we.need.to.talk.about.
metadata.
Metadata.is.best.described.as.the.data.about.the.data.
In.nearly.any.data.set.that.is.created.by.any.application,.
there.will.be.data.included.that.are.not.apparent.to.someone.
merely. viewing. that. document,. spreadsheet,. photo,. video,.
and.so.on..That.will.typically.include.information.about
•. The.application.that.created.the.data
•. When.it.was.created,.accessed,.modiied,.or.even.deleted
•. In.audio,.picture.or.video.iles,.information.about.the.
location.(GPS.coordinates).and.type.of.device.used.to.
record.the.information
•. The.author.or.user.information/coding.for.whomever.
was. logged. into. the. computer. or. application. at. the.
time.the.data.were.created.or.modiied
•. Coding.information.identifying.the.type.of.code.used.
to.create.the.ile
•. An.unlimited.variety.of.other.information.inserted.by.
the.application,.or.by.the.user.of.the.application
In.order.to.view.that.information,.one.either.has.to.have.tools.
that.will.open.and.interpret.the.basic.hexadecimal.coding.or.
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