Rerun Y2K #1 answer

MODEM

Why MODEM is a Y2K word

Every online session began with its screeching handshake — a sound an entire generation can still hum from memory.

About Rerun

Rerun is a free daily word game set in the culture of another time. Season 01 is Y2K: guess one late-’90s or 2000s word in six tries, with a category as your clue. A new puzzle unlocks every day at midnight Pacific.