On Friday, November 10th, 6:00pm CDT (4:00pm Pacific, 7:00pm Eastern), some of the developers from Midway's The Grid will be chatting with the MK Netherealm. Here is the connection information for the event.
If you need further help on connecting, visit the Mortal Kombat Netherealm , where you can also connect to the chat via your java-compatable web browser. Also they will be opening their new Grid page, so be sure to check it out.
