- D
- D&M
- d-commerce
- d/c
- d00d
- D2D
- D8
- da
- daemon
- DAFUQ
- dag-tag
- daisy chain
- DAMHIKT
- dancing baloney
- DANNY
- DARFC
- dark fiber
- dark patterns
- dark web
- darknet
- DARPA
- darties
- das blinkenlights
- DASH
- data
- data backup
- data breach
- data center
- data cholesterol
- data cleaning service
- data compression
- data dump
- data glove
- data mart
- data mining
- data recovery
- data repository
- data shadow
- data snacking
- data storage
- data store
- data storm
- data tracking
- data traffic
- data Valdez
- data warehousing
- database
- database front end
- database management system
- database-driven
- datagram
- datasphere
- dateview
- daughterboard
- dawn patrol
- day 2 project
- dayparting
- DBA
- DBABAI
- DBBSWF
- DBD
- DBEYR
- DBMIB
- DBMS
- DBS
- DCE
- DD
- DDAS
- DDG
- DDN
- DDoS
- DDSOS
- DDWI
- de facto standard
- DEA
- deactivation
- dead
- dead cell phones
- dead computers
- dead technology
- dead tree edition
- dead-tree version
- Deadfish, Idaho
- deal ID
- debbie
- deboning
- December 12, 1991
- deck
- declutterist
- decode
- decoder
- decruitment
- decryption
- Dedicated Advertiser Location (DAL)
- dedicated hosting
- dedicated line
- dedicated page
- dedicated server
- deep dive
- deep domain expertise
- deep linking
- deep web
- deep-sixed
- deepfake
- def
- deface
- default
- default browser
- default password
- defect
- defenestration
- defo
- defrag
- defragging the office
- degen
- DEGT
- deja moo
- delete
- deletion
- delisting
- deliverable
- delurking
- dem
- demand-side management
- demand-side platform
- demo
- demo monkey
- demon customer
- demoscene
- demoware
- DENIAL
- Denial of Service
- denizen
- deploy
- DES
- description tag
- dese
- deselect
- designosaurs
- desktop
- desktop search
- desktop video (DTV)
- destination page
- destination site
- destructive payload
- DETI
- DETWEET
- device
- device driver
- device driver interface
- device ID
- dewd
- dey
- DF
- DF module
- DFE
- DFIK
- DFLA
- DFTBA
- DFU
- DFWLY
- DGA
- DGAF
- DGARA
- DGT
- DGTG
- DGYF
- DH
- DHCP
- DHTML
- DHYB
- DIAF
- dial group
- dial-up
- dial-up account
- dial-up connection
- DIC
- DIFBET
- digit mode
- digital
- digital asset
- digital assistant
- Digital Attention Disorder
- digital audio
- digital border guard
- digital camera
- digital carjacking
- digital cash
- digital certificate
- digital dementia
- digital detox
- digital dirt
- digital divide
- digital doppelganger
- digital entertainment
- digital estate management service
- digital fingerprinting
- digital footprint
- digital ghetto
- digital jewelry
- digital kudzu
- digital lifestyle
- digital music
- digital native
- digital revolution
- digital scrapbooking
- digital shopping companion
- digital signature
- digital SLR
- digital stars
- digital strip search
- digital tipping
- digital video recorder
- digital walkie-talkie
- digital watermark
- digitally grounded
- digiterati
- digitizer
- DIKU
- dilberted
- DILLIGAD
- DILLIGAF
- DILLIGAS
- dime
- DINK
- DINO
- DINR
- direct connection
- directory
- directory advertising
- DirectX
- DIRFT
- dirty connection
- disc
- disconnect anxiety
- discussion board
- discussion group
- disinformation
- disintermediation
- disk
- disk dancers
- display ads
- disruptive technology
- distance learning
- DISTO
- distributed computing
- distribution
- DITR
- ditto
- dittoheads
- DITYID
- divergence
- DIY
- DJM
- DK
- DKDC
- DL
- DLL or .dll
- DLP
- DLTBBB
- DLTM
- DM
- DMAT
- DMCA
- DMI
- DMZ
- DNA barcoding
- DNBL8
- DNC
- DND
- DNF
- DNPMPL
- DNR
- DNS
- DNS parking
- do not track
- do-it-yourself biology
- DOA
- DOC
- docking station
- docs
- docubug
- document
- document info
- document management
- document source
- DOE
- DOEI
- DOG
- dog bones
- dog food
- dog whistle
- dog-and-pony show
- dog-collar labor
- dogcow
- doggo
- DOH
- doin
- dolphin parent
- DOM
- domain dropping
- domain name
- domain name lookup
- domaineering
- domainism
- don't-care-ware
- done
- dongle
- DOOBIE Act
- dooce
- doomscrolling
- Doomsday Clock
- doorway domain
- doorway page
- doorway scam
- dope
- DORD
- Dorito Syndrome
- DOS
- dot address
- dot file
- dot's all folks
- dot-bomb
- dot-calm
- dot-com
- dot-com deadpool
- dot-com shakeout
- dot-com syndrome
- dot-commers
- dot-commie
- dot-commuter
- dot-comrade
- dot-con
- dot-corps
- dot-orging
- double click
- double encryption
- double geeking
- double text
- double-underlined links
- down
- down time
- downgrade
- downline
- downlink
- download
- downstream
- dox
- DP
- dpi
- dps
- DPUP
- DQMOT
- DQYDJ
- draculaing
- DRB
- DRCOWOTO
- DRIB
- drill down
- drink the Kool-Aid
- drip irrigation
- drip marketing
- drive-by hack
- drive-by VC
- driver
- DRM
- drone
- drop down menu
- drug dump
- drump
- drunk mouse
- dry snitching
- DSig
- DSL
- DSML
- DSS
- DSTR8
- DTC
- DTF
- DTK
- DTR
- DTRT
- dual-channeller
- dub-dub-dub
- dubya
- due diligence
- duh
- DUI
- DUM
- dumb terminal
- DUNA
- dunno
- duplex
- duplicate content
- DUR
- DURS
- DUSL
- DUST
- dustbuster
- Dutch auction
- DVD
- DW
- DW2H
- DWB
- DWBH
- DWDM
- dweeb
- DWEET
- DWH
- DWI
- DWPKOTL
- DWS
- DWWWI
- DWYM
- DYAC
- DYD
- DYFM
- DYHAB
- DYHAG
- DYJHIW
- DYLI
- dynamic
- dynamic content
- dynamic node
- dynamic rotation
- Dynamic SQL
- DYOFDW
- DYSTSOTT
