Dropbox takes on Google Drive with Gmail upload tool

Dropbox is taking the fight to Google Drive through a new Chrome add-on that allows content to be added directly to Gmail messages.Users of the popular cloud storage service will be able to take advantage of the add-on to upload files into emails just as you can already do with Google Drive.Available from the Chrome Web Store, it adds a circular button next to the send button inside messages and once clicked a file browser, that will be familiar to any current users of the service, opens up and