from Terry Burrows:

[kay_mulan]

Cloud Storage
4shared
ADrive
Box
Carbonite
ElephantDrive
FlipDrive
Grokthis
Iron Mountain
Mailbigfile
Mozy
Multiply
MyPCBackup
OpenDrive
Ourmedia
Pando
Railsbase
Sproutit
Storegate
Strongspace
TextDrive
Zingee

Communications
8x8
Aim
BigString
Blauk
BlueTie
BroadVoice
ContactOffice
DropBox
Dropsend
EBuddy
FastMail
FWD
Gadu-Gadu
Gmail
Google Talk
HamSphere
ICQ
InBox
Jabber
LavaBit
Lingo
LuxSci
Mediacom
Meebo
MSN Hotmail
MXit
Myemail
MyWay
Ooma
Radvision
RingCentral
Skype
Sendspace
SunRocket
Tempinbox
Trustmymail
Voicewing
Vonage
VZOchat
Xfire
YouSendIt
Yahoo! Mail
Yahoo! Messenger

Education and Knowledge
3Form
7 Tips On
Answers.com
Askeet
Askville
Answerbag
Brainreactions
Bubbl.us
Copyscape
Echosign
eHow
Gibeo
GuruLib
Hanzoweb
Helium
How Stuff Works
HubPages
Jots
Manage My Ideas
MetaGlossary
Nuvvo
ProProfs
Quomon
Quotiki
Root/Vaults
Sparkhive
Squidoo
Tractis
WisdomDB
Wondir
Yahoo! Answers

Security Issues
12VPN
Avast! Pro
Bitdefender
Black Logic
ChicaPC-Shield
ESET NOD32
Express VPN
Happy VPN
Hide My Ass
Kasperkskky
Lavasoft Ad-Aware
Liberty LPN
Malwarebytes
Norton Antivirus
Overplay
Pixelock
Roboform
Strong VPN
Super AntiSpyware
Swiss VPN
Webroot Antivirus