Dropbox interface, ostensibly adds some sharing capabilities but it's beta enough that some things occasionally break.
"With the beamz, there should be no performance anxiety at all because — whichever beam you break, in whatever sequence — your music is guaranteed to be harmonious. All discordant chords and sour notes have been programmed out so everyone plays great.
"This device, portrayed as a harmless product of science, is obviously designed to introduce our children to witchcraft and sorcery."