From the linked-to Google Groups thread, this seems to just be someone using the RTM gmail addon without being aware of it: http://groups.google.com/group/Gmai

From the linked-to Google Groups thread, this seems to just be someone using the RTM gmail addon without being aware of it: http://groups.google.com/group/Gmail-Problem-solving/msg/12a5c41ac1f2c331 http://groups.google.com/group/Gmail-Problem-solving/msg/12a... Although it's also true that native Gmail tasks are supposed to be in the works.