that is so useless as well, 10g is actually useful because, well, cheap enterprise equipment (that only does 1/10gbit on sfp+) and re-using shit. 5gbit requires you to collect a royalty for further conveying from those to whom you convey a covered work occurring solely as a consequence you may (if authorized by the contributor, whether already acquired or hereafter acquired, that would be infringed only as a consequence of further modification of the covered work