New in 7.0:
'Feeds from Friends' feature (get friends' feeds from your favorite social networks like Facebook and Twitter directly in ICQ), Status Box (update status in Facebook and Twitter directly from ICQ), My Notifications (see who's commenting, who likes your updates, and who replied to your online activity), Picture Sharing, new ICQ Profile, new personalization options, SMS tab (for sending SMS texts directly from ICQ), ability to import contacts from more sources (social networks, other IM clients, and e-mail clients); Release Notes - Last Updated: 02.18.10 (v7.0 Build 1211)
Upgrade Meter: 5
New in 6.5:
Multi-user chat capabilities, 2-Way SMS, extra-quick IM features, 'Follow Me' feature (can forward IMs to your mobile phone), spell checker, 'Babylon' integration (text friends with support for eleven different languages), tabbed conversation view, conversation history, advanced search options; Release Notes - Last Updated: 11.26.08 (v6.5)
Upgrade Meter: 5
New in 6.0:
Fresh, redesigned appearance; extra-quick IM; grouped conversations; easy access to unread messages; new interface for voice calls; various other enhancements and bug fixes; Release Notes - Last Updated: 10.06.08 (v6.0 Build 7015)
Upgrade Meter: 4
New in5.1 Build 2575:
tZers feature (send short Flash animations to your Contact List friends), new Boyz and Girlz skins available for download, quick access to send SMS messages to ICQ and non-ICQ Contacts (now called SMS Contacts), new option to select the login status, notifications when contacts are online, new emoticons, various other enhancements and bug fixes; Release Notes - Last Updated: 05.23.06 Upgrade Meter: 4
New in5.02/5.03: Push2Talk walkie talkie-like feature, enhanced ICQ video, new skins, dual screen support, full screen games support, PC-to-PC call features, option to use the Enter key to send messages; Release Notes - Last Updated: 02.18.05 Upgrade Meter: 5
New in4.0: ICQ Super Message (with photo feature), ICQ Xtraz center (for accessing new features as they become available), new look and improved usability, ICQ Image Gallery, tray notifications, birthday reminders; Release Notes Upgrade Meter: 5
New in ICQ Pro 2003a: New name, compatibility and interoperability with ICQ Lite, better XP integration, search Google feature, improved Outlook integration, people search Upgrade Meter: 4
New in ICQ 2001b: File sharing capabilities (with virus checking option); improved Security and Privacy permissions, improved message window functionality (with Spell Checker, multilingual support, and new ICQ emotions and smileys), reduced client size (with one click download and install), add/remove features window, Contact Lists now reside on ICQ servers, redesigned Whitepages interface, enhanced customization options (pick and choose your favorite ICQ features), ICQ email signature option, security and privacy permissions settings, automatic firewall detection; Release Notes Upgrade Meter: 5
New in ICQ 2000b: Integrated ICQphone client for PC to PC calls and PC to telephone calls; ICQ SMS (Short Messaging Service) technology (send ICQ messages to and from cellular telephones), wireless page integration (send ICQ messages to your pager), ICQ Channels, ICQ External Contacts, follow-up service for authorization requests, ICQ integration for Outlook, ICQ e-mail address import; Release Notes Upgrade Meter: 5
New in ICQ 2000a: Integrated ICQmail tools, ICQ Shortcut bar, ICQ Answering Service, ICQ Channels and Newsletter menus, IP Address privacy feature, simple and advanced modes of operation, redesigned Preferences menu; Release / Update Notes Upgrade Meter: 5
New in ICQ 99a: ICQ Active List, Enhanced E-mail Check, E-ICQ, ICQ White Pages, random chat feature, ICQ Home Page Factory, message history (contains message archive and a find utility for the archive), integrated e-mail capabilities, LDAP support, new services (including reminders and a to do list), new plug-ins (for voice messages and greeting cards), a variety of bug fixes; Release Notes; Update Notes Upgrade Meter: 5
Pros: Tons of features, continually scans the 'net for your friends and acquaintances
Cons: Must first register with an ICQ server, external apps needed for some tasks