The Sunnyvale community is looking again at 157 W. El Camino Real — Andy Capp's Tavern in September 1972, now a comedy club — where Al Alcorn's Pong prototype overfilled its coin box in days and proved a business could be built on it.

The address is 157 W. El Camino Real in Sunnyvale. Today it's Rooster T. Feathers, a comedy club that opened January 8, 1984. Before that, it was Andy Capp's Tavern — and in September 1972, Atari engineer Al Alcorn personally carried a prototype video game into the bar and plugged it in. Within days, the coin mechanism was overflowing. The game was Pong.

The Sunnyvale community's attention returned to that corner this week, with a post in the r/Sunnyvale subreddit reporting that the Sunnyvale Historical Society had commemorated the site. The Heritage Park Museum — the Society's home at 570 E Remington Ave — has been running on Pong history all year: in February, Alcorn appeared at a Speaker Night and, per the museum's blog, "regaled the huge audience with tales from the early years of Atari, 1972–1982." (Alcorn declined to be recorded; he designed the prototype on Nolan Bushnell's commission and was Atari's third employee.) The museum's Tech Wall — a technology timeline on the second floor that includes Atari items among its display cubicles — is currently being updated by a volunteer team with new tiles and QR codes.

Atari was incorporated in Sunnyvale on June 27, 1972, roughly two months before Alcorn installed the prototype at Andy Capp's. Pong was commercially announced November 29, after the bar field test confirmed the concept. The original cabinet is now at the Computer History Museum in Mountain View. Rooster T. Feathers acknowledges the building on its own website as "the location of the beta test of Atari's first video game, Pong," and has carried its own interior signage about the gaming history for years.

What form this week's commemoration took — a new marker at the building, an event at the Heritage Park Museum — couldn't be confirmed from public records. But 157 W. El Camino Real has held its own footnote since a bar full of quarters said so in 1972.