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Hey @lucyho. I am Atma, now working with John on implementing Matrix-8 on Steem.
You might like to view some of my posts about this too:
https://steempeak.com/palnet/@atma.love/what-if
and
https://steempeak.com/naturalmedicine/@atma.love/why
and
https://steempeak.com/hive-174578/@atma.love/matrix-8-cube-spheres

Namaste
Atma

btw, i think the resteem option is still there after 7 days if you use the steempeak.com front end. But you also have the option now, both on steemit and steempeak, to cross post to communities. Then from the crosspost you can resteem to your blog. Hope this helps.