This is a tremendous milestone. It’s amazing that Voyager 1 and 2 are still both functioning and able to communicate after 35+ years, especially with the technology they had in the 70’s.
Each only has 68 kilobytes of computer memory. To put that in perspective, the smallest iPod – an 8-gigabyte iPod Nano – has 100,000 more storage space. Each also has an eight-track tape recorder. Today’s spacecraft use digital memory.