that was just one example of many. I chose to post only one to avoid excessive postings. Although there are a lot more. like this one for example:
plus a lot more...
By the way, if you never voted for any witnesses maybe you should. Just like voting in an election. Don't throw away your vote. you have 30 of them and costs you nothing to vote.
If you like to try it, you are welcome to vote for my witness :-) Maybe try it? :-)