BlackBerry devices are, more than any other phones, associated with the business world. And LinkedIn is, in most English-speaking markets, the dominant professional network. It makes a great deal of sense, then, that LinkedIn has at last released LinkedIn for BlackBerry v1.0. This app should provide users with useful information in a number of ways. For starters: six different modules cover areas labeled "network updates," "search," "connections," "invitations," "messages,