That's not quite accurate. Non-latin addresses have been available for many years. However, the top-level domain names such as .com, .net, and so forth have so far been limited to the 26 most basic latin characters.
We'll never receive a reply to this message, since the target is too far away. It'll be lost in the background noise of our galaxy.
On the other hand, the Cosmic Call messages broadcast from Evpatoria in 1999 and 2003 are much more likely to receive a reply. They're also much more interesting to decode. http://www3.sympatico.ca/stephane_dumas/CETI/evpatoria.html
As for the crop circle, no one ever said that an alien made it, only that someone who had seen the message replied to it in the form of a crop circle.
On the other hand, the Cosmic Call messages broadcast from Evpatoria in 1999 and 2003 are much more likely to receive a reply. They're also much more interesting to decode. http://www3.sympatico.ca/stephane_dumas/CETI/evpatoria.html
As for the crop circle, no one ever said that an alien made it, only that someone who had seen the message replied to it in the form of a crop circle.