Windows Live Messenger - Windows Live Messenger is Microsoft's instant-messaging service. Once called MSN Messenger, Windows Live Messenger is a chat client that also works with Yahoo's IM protocol. Users can text and video chat, as well as make calls and send SMS text messages to telephones. It also has a shared file storage system that lets users swap and store files - Site: Messenger.live.com

Windows Live Hotmail - Windows Live Hotmail is the latest iteration of Microsoft's free, Web-based e-mail service. The multipane interface lets you drag and drop messages into folders, or right-click messages for a menu of options. There's also a "Today" tab of news, both international and social, that loads when you sign in. Windows Live Hotmail even lets you choose a color theme in case you feel like customizing it to match your tastes - Site: Mail.live.com