ICQ lets you send and view instant messages directly from within your Contact List or from the message notification. You can manage all of your conversations in a single message window. With ICQ you can switch back and forth from conversation to conversation simply by clicking on the tabs at the top of the window. You can search for contacts or on the web directly from your contact list. Besides, you can send your friends an SMS from your PC with ICQ. Your friends can SMS back from their mobile directly to your ICQ message window. And ICQ automatically saves your conversation history, so you can sort and search for important messages.