We've all faced the difficulty of moving a file from our Mac to our iPhone. There's iCloud, Dropbox and a host of other services to help us tranfer these files, but there are no solutions as elegant as the concept devised by interaction designer Ishac Bertran. His idea for proximity-aware devices and a seamless drag-n-drop transfer is detailed in an article at Fast Company. You can get a glimpse of how the file transfer would work in the Vimeo video embedded below.