I made this addon due to the spotty connections that the raiders in my guild seem to have. We have wasted many attempts due to high MS from some of our key raiders, most notably our holy paladins. This was especially problematic when learning the limited attempt bosses in Icecrown Citadel on heroic mode. We often found ourselves typing random characters to test chat lag, as well as casting spells to test cast lag. This addon is intended for a raid leader to see everyone's MS in order to judge whether or not key people are experiencing high latency, so as to increase boss attempt efficiency.
How to operate this addon:
Typing "!ms" in guild chat will cause those with the addon to respond with "My current ping is X" in guild chat.
Typing /msa or /msannounce will enable or disable the addon.
To Do List:
MSAnnounce is currently lacking several features that I intend to add. The foremost being to add a window frame that lists everyone in the raid who has the addon enabled. The messages would perhaps be whispered to the raid leader, which would populate the window to reduce guild spam.
I also plan to add a threshold to reduce guild spam, perhaps around 500ms.