Not just an idea anymore. They've started experimenting with it since last year. Gwynne Shotwell said in April that third generation, yes third generation, of l

Not just an idea anymore. They've started experimenting with it since last year. Gwynne Shotwell said in April that third generation, yes third generation, of laser intersatellite links would be launched in "the next few months": https://spacenews.com/spacex-adds-to-latest-funding-round/ https://spacenews.com/spacex-adds-to-latest-funding-round/