you have sound too. Must be an audio equivalent that would have a similar level of durability to a qr code. I dont know if youtube ever drops frames during compression. Perhaps using there 4k support would help get a bit more data
I think this raises another point... shouldn't email be a secure method of communication? Do you think its time for mail servers to start supporting encryption as a default?
This is awesome. it has a gps in it it will return and hover where it first powered up at your command. there is a video of it carrying a 2 litre bottle on a string. cost is about $1500 i think.