Dropbox today released an update for its Mac client, offering a redesigned drop down interface and improved file sharing capabilities. With version 2.0 of Dropbox, users can share files with one another using a link from the Desktop menu. File sharing notifications are sent out in real time, to the desktop application and the iOS app. Introducing a shiny new feature: a new tray popup that combines the old tray menu features with a timeline of the most important sharing events in your Dropbox. For instance, if someone shares a link with you, you can now see it immediately! Moreover, if someone shares a folder with you, you can now accept or decline the invitation directly from your desktop. Not only are you no