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AbstractEquilibrium | 6 days ago (raw) | root | parent | reply | flag +1 
 How does #bluesky do it?  #simplex has good notifications but costs a lot of battery to make it work.
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laanwj | 6 days ago (raw) | root | parent | reply | flag +1 
 i'm not sure !

but, fwiw, i am using a mains powered device and have ~1Gbit internet, so i'm not to worried about saving power or bandwidth