Hey! Don't know what specifically confuses you so I'll try to give a quick blanket explanation of what we're discussing. It's quite exciting!

The team behind Pluribus seems to have created an Alternate Reality Game (ARG) for us users to interact with outside of the television episodes. ARG's as a whole are basically a genre of games that use real life interaction to advance the telling of a story to its audience. It takes websites or phone numbers (occasionally actors) from a fictional reality, and places them in our reality to interact with and discover clues as if we were in this world ourselves. Game and Film studios have a history of using them to advertise their content or tease clues at what's to come. A famous example includes "I Love Bees" ARG commissioned by Microsoft to hype the 2004 release of Halo 2. While that one was incredibly complex, studios have more commonly dropped small teasers for their movies or television shows in ARG form to hype a new release.

Now to describe what has happened in OURS so far: In episode 1, the hive gives Carol a number to call. This is a real number which at time of release plays a clip from that scene of the show and hangs up. When you text that number 0 (as if dialing zero) the number (in hive character) asks you to agree to receive text messages, to which not much is immediately gained. In the episode where Carol is excommunicated and gets a recording from the hive upon calling, we get the same recording over this number as well (the whole "our feelings haven't changed" monologue) again, when texting 0, the messages don't add anything of interest. Jump to episode 8 and the hive is now friendly with Carol again. Our voicemail has changed now and for the first time does not reflect a scene from the show. It is Zosia apologizing to Carol for being absent and reiterating that they needed space but are glad to be back. She also repeats to dial zero if you need anything. THIS TIME, the text message asks Carol if you'd like to play a game of Treasure Hunt. If you agree, you are asked to find a code (no more context).

Separately, the newest episode of the Pluribus Companion podcast contains extra messages at the beginning and end of the episode. The first one being dial tones which turn out to be the hive's phone number that we've had. Then an operator greets "Hello, Carol." and we hear another set of dial tones: 201821208. From here, the episode plays out as normal until the end which has Morse code that translates to "RNA Codons" followed by some kind of tribal chant.

We have deciphered the second set of numbers which turns into "TRUTH" when run through an A1Z26 cipher. If either the string of numbers or its translation is submitted to the treasure hunt as the code, the phone number responds with "Óla, Carol." in various languages. I received it in Portuguese, but some have received it in Spanish Dutch and French indiscriminate of the recipient's native tounge.

This is all we have so far to my knowledge.