First, though...o n the front page of the   Sunday Star Advertiser   was a rather startling reality regarding the decline of vaccine effectiveness after six months: Johnson&Johnson:  86%, down to 13% Pfizer:  87%...43% Moderna:  89%..58% I receive my Moderna booster in two days.  Apparently, one can take any of the other two to boost your original sequence.  Based on the above, I'll stick with Moderna.  The Feds are rather tardy in making this official for everyone. My original plan was to feature some facet of TED every Friday.  However, this morning I saw a few  Quora  queries that begged to be added today: Becky Blanton 4y Why is attending a TED conference so expensive? Is there anyway I can attend the TED conferences without spending huge sums of money? I attended and spoke at TED Global in 2009. There was no way I could have afforded the $10,000 cost of attending, air flight, hotel etc. without having someone else pay for it - which Dan Pink did because I won a contest he