You can now browse and follow JAR tokens in the new explorer of 
You can see all JAR holders here: https://bloks.xyz/token/JAR
I am currently thinking about issuing some more JAR tokens. I am running out of them and there is not enough yet coming back to me to drop my vote weight to 80%. I might have underestimated how long people hodl the token and there might be a need for more tokens in circulation in order that they can be effectively be used for upvotes. I will still give it some more time and analysis to see how the JAR ecosystem develops.