It is routine to find Tesla Inc (NASDAQ: TSLA) CEO Elon Musk in the comments section of Dogecoin (CRYPTO: DOGE) co-creator Billy Markus’ tweet but there’s a new entrant — who also just happens to be one of the world’s richest people. Amazon.com, Inc (NASDAQ: AMZN) founder and former CEO Jeff Bezos had words of praise for Markus on Wednesday.