13:29:15 From Joseph to Everyone : The invocation is used more frequently
13:29:16 From Angelo Lao to Everyone : because you'll use X more?
13:31:28 From Joseph to Everyone : OS^2
13:51:09 From Angelo Lao to Everyone : 2?
13:51:13 From Joseph to Everyone : 4
13:51:17 From Angelo Lao to Everyone : er, 4 yes
13:51:42 From Joseph to Everyone : 8