I am curious. I read the description of the badges, and I have been submitting a shared link to search engines to see if I could get them exposed to many people. The description says you cannot get both badges for the same shared item... and it says you can get the Announcer badge more than once. So I have gotten the Announcer badge for all 3 links I shared, and if then I cannot get the Booster for them (is that really true?) then has something changed or does it not always award the first badge? ...Or does it actually give you both badges for the same link anyway?
The badges used to work differently when first introduced(there were timelimit/IP limit changes since then)
but I don't remember any changes which mention that the same question cannot multiple badges of the class you mention and the order in which they are awarded were indeed changed later on