This can lead to "change-back" messages.
It also will read back messages to you, and let you record messages to yourself.
Someone in the future has apparently sent back messages that might help avert the catastrophe.
The String Quintet has already gone to heaven and sends back messages from beyond.
Even if New Horizons had started sending back messages immediately, Earth wouldn't get them for another few hours.
Thus, corresponding roll-back messages must exist in the protocol: EMBED_REJECT and LINK_REJECT.
There's something called "Call Me Back Messages"–we don't have them in the United States, but they're apparently widespread in most of the African continent.
The latter allows both outbound requests and inbound ones, such sending back messages and news feed items.
Famous Chinese Sages believed the soul traveled to other dimensions during dreams, bringing back messages from beyond.
During the course of her visit, Fonda visited American prisoners of war (POWs), and brought back messages from them to their families.
Moreover, our assumption is backed by message passing algorithm which is how CSI is learned in wireless networks.
