- C
- C shell
- c ya
- C#
- c%d
- c%l
- C&G
- C++
- C-level
- C-note
- C-P
- C-T
- C/P
- C/S
- C2B
- C2C
- C4N
- CAAC
- cable
- cable modem
- cableco
- cache or caching
- cached out
- caching proxy
- CAD
- caking
- CAL
- cam
- camel case
- camouflage
- campus
- CAN-SPAM
- cancel
- cancelable with no short rate
- cancelbot
- cancelbunny
- cancelled
- cancelmoose
- canon
- cappuccino cowboy
- capsizing
- CAPTCHA
- captive start-up
- car hacking tool
- car navigation system
- carbon footprint
- card
- career-limiting move
- career-zoned
- careware
- Carnivore
- Carpal Tunnel Syndrome (CTS)
- carpet bomb
- carrier
- carve out
- CAS
- cascade
- cascading style sheets (CSS)
- case sensitive
- CASIE
- caspering
- CAT5 (category 5)
- catfish
- CB
- CBB
- CBD
- CBF
- CBI
- CBJ
- CBM
- CBO
- CBOT
- CBT
- cc
- CCOT
- ccTLD
- CCW
- CD
- CD-ROM
- CD9
- CDMA
- CDN
- CDPD (Cellular Digital Packet Data)
- cell mates
- cell phone
- cell phone manager
- cellcert
- cellie
- cellpadding
- cellspacing
- cellular PC
- CEM
- central office (CO)
- CEO
- CEO-speak
- CEOP-phobia
- CERN
- CERT
- certificate authority
- certified used car
- CES
- CF
- CFML
- CFO
- CFS
- CFV
- CGI
- CGI form
- CGI Joe
- cgi-bin
- CHA
- cha-ching
- chainsaw consultants
- chamber art
- change agent
- channel
- channel conflict
- channel encryption
- CHAP
- chapter 11
- character
- charlie
- chat
- chat acronym or chat acronyms
- chat or chatting
- chat room
- chat room bob
- chatbot
- chatfly
- cheaper, faster, better
- cheapernet
- Check 21
- check my spam
- check-box item
- checkbox
- cheddar
- Chernobyl packet
- chevron
- chick magnet
- chicken head
- chicken-boner
- Chief Community Strategist
- Chief Internet Evangelist
- Chief Internet Officer
- Chief Knowledge Officer
- child tech addiction
- chillaxin
- chip
- chiphead
- chips and salsa
- chln
- chortal
- Chrome
- chuh
- chum
- churn
- churning
- CIAC
- CIAO
- CICO
- CICYHW
- CID
- CIL
- CINBA
- CIO
- cipher
- circle back
- circling the drain
- circumventor site
- CITO
- city acronyms
- city nicknames
- CIX
- clap back
- CLD
- clean
- cleansed data
- cleantech
- clear-text password
- Clearnet
- ClearType
- CLEC
- click
- click farm
- click fraud
- click here
- click on
- click-and-highlight
- click-and-mortar
- click-and-ship
- click-through
- click-through farmers
- click-through rate
- clickable graphic
- clickbait
- clickly
- clickprint
- clicks
- clicks-and-chicks
- clicks-for-chicks
- clickstreams
- client
- client error
- client pull
- client push
- client-server action
- client-side
- client/server
- climate canary
- clink
- clip
- clipper chip
- clippy
- CLM
- cloaking
- clone
- cloning
- cloud
- cloud capitalist
- cloud computing
- clue-by-four
- clueful
- clunky
- cluster funk
- clustering
- CM
- CMAO
- CMAP
- CMB
- CMF
- CMIW
- CMO
- CMS
- CMSU
- CMU
- CMYK
- CN
- CNP
- co or .co
- co-branding
- co-living
- co-location
- co-sharing
- co-working
- coaxial cable
- COB
- cobots
- COBRAS
- cobweb site
- cock block
- cockroach
- COD
- code 18
- code or coding
- Codec
- codenapping
- CodePie
- codify
- Cof$
- coffee badging
- CofS
- cohabidating
- coin-operated employee
- COL
- Cold Fusion
- cold peace
- cold potato routing
- cold transfer
- cold wallet
- collaborative
- collaborative filtering
- collaborative partnership
- collaborative project
- collaboratory
- collapsible corporations
- COM
- com or .com
- COM port
- COMDEX
- command line
- command line weenie
- commerce
- commerce server
- common stock
- communications software
- companionship app
- compatible or compatibility
- competitive advantage
- competitive intelligence
- competitive salary
- compiler
- complimentary quote rule
- composition flaw
- compression
- computer
- computer illiterate
- computer literate
- computer science
- computer simulation
- computer virus
- Computer Vision Syndrome (CVS)
- computer wiz
- computer-mediated communication
- concatenated speech
- confidentiality
- configuration
- configure
- confirmed
- connect
- connect time
- connectivity
- cons
- console
- constanet
- consumer backyard
- Consumer Experience Manager
- consumer profiling
- contact center
- content
- content conundrum
- content delivery
- Content Engineer
- content marketing
- content provider
- content sponsorship
- contentology
- context sensitive menu
- contextual commerce
- contextual-based advertising
- contextually aware
- converged network
- convergence
- convergent programming
- conversion cost
- conversion rate
- coo
- cookies
- coolhunting
- CoolTalk
- coopetition
- COPPA
- copyleft
- CORBA
- cord
- core competencies
- cornea gumbo
- corporate feudalism
- corporate kabuki
- corporate portal
- corporatocracy
- COS
- CoSN
- cosplay
- cost per action
- cost per click
- cost per lead
- cost per thousand
- COT
- cougar
- counter
- counter-experience
- country codes
- country withheld content
- courseware
- courtesy call
- CPA
- CPC
- CPE
- CPG
- CPL
- CPM
- CPO
- CPT
- CPU
- CPV
- CQRT
- CQTS
- crack
- crackable
- CrackBerry
- cracker
- CRAFT
- cramming
- CRAP
- crapplet
- crash
- crash dummies
- crash test dummies
- CRAT
- crawler
- crawling
- CRAWS
- CRB
- CRBT
- CRC
- CRD
- CRDTCHCK
- Creative Commons
- creeping featurism
- crimeware
- cringe
- crippleware
- critical differentiators
- critical mass
- critical mess
- CRM (Customer Relationship Management)
- crog
- cron
- cross post
- cross-channel marketing
- cross-platform
- cross-roasting
- crowdfunding
- crowdsourcing
- CRS
- CRTLA
- crunk
- crusader
- cryppie
- cryptanalysis
- cryptic
- cryptic password
- crypto rage
- cryptocurrency
- cryptography or cryptographic
- cryptoperiod
- CS
- CS&F
- CSA
- CSABR
- CSL
- CSN
- CSP
- CSS
- CT
- CTA
- CTC
- CTFD
- CTFO
- CTFU
- CTI
- CTIA
- CTM
- CTMQ
- CTO
- CTO in business
- CTR
- Ctrl
- CU
- CU-SeeME
- CU46
- CUA
- CUATSC
- CUATU
- cube farm
- cuck
- cuckoo egg
- CUDA
- cuddletech
- cuffing
- CUL
- CUL8R
- CULA
- cumdex
- CUNS
- CUNT
- CUOL
- CUPL
- curbstoning
- curry
- cursor
- curve
- cushioning
- cusskiddie
- customer acquisition cost
- customer experience team
- customer facing
- Customer Information Control System (CICS)
- Customer Interaction Center (CIC)
- Customer Relationship Marketing
- customer-centric
- customize
- cut steel
- cut-and-paste
- cut-and-paste attack
- cutover
- CUWTA
- CUZ
- CVS
- CWOT
- CWYL
- CX
- CxO
- CY
- CYA
- Cyber Monday
- cyber noir
- cyber sit-in
- cyber sitters
- cyberattack
- cyberbullying
- cybercad
- cybercafe
- Cyberchief
- cyberchondria
- cyberchondriacs
- cybercide
- cybercop
- cyberfraud
- cyberheist
- cyberimmortality
- cyberluddites
- cybernetics
- cybernoir
- cyberpork
- cyberpunk
- cybersafety
- cybersex
- cybersexism
- cybershooting
- cyberslacker
- cyberslang
- cybersoul
- cyberspace
- cybersquatting
- cyberstalking
- cybersuds
- cybersuicide
- cyberterrorism
- cybertourist
- cyberwar
- cyborg
- Cybrarian
- cyburban myths
- cycles
- CYE
- CYL
- CYM
- CYO
- CYOH
- CYT
- cytizenship
