Twitter community adds a context note to a Joe Biden tweet: President Biden posted a tweet saying “America invented semiconductors when we went to the moon. Today, they power our everyday lives.” Twitter added a Community Note warning label to the post that read: “The semiconductor was invented by a German Karl Ferdinand Braun in 1874, the Semiconductor transistor was invented in US in 1947, and the Integrated circuit in 1958 also in US. all well before going to the moon." The added context additionally includes links to Britannica and Wikipedia.