I dont know the exact implementation. But following article suggests that there is some lag due to data being exchanged with iCloud. http://www.cnet.com/au/how

I dont know the exact implementation. But following article suggests that there is some lag due to data being exchanged with iCloud. http://www.cnet.com/au/how-to/macos-sierras-universal-clipboard-is-awesome/ http://www.cnet.com/au/how-to/macos-sierras-universal-clipbo...