You have already mentioned that Elon musk seeks attention.it wouldn't make sense if he wants to build his social media from scratch.twitter is a well known app and I think it will be easy for him to advertise his business and seek that attention he wants.I don't dispute the fact investing in a decentralized social media like hive is a best way to go.
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He has the power to offer a new social media app plenty of exposure.
Posted using LeoFinance Mobile
He doesn't want to go through that I presume but he has the power to do more than just that
Posted Using LeoFinance Beta