When was Twitter first launched?

More Questions:

Before switching to the Euro, what was the monetary unit of Italy?

Monza and Silverstone are venues for which sport?

Who wrote the 1837 story "The Little Mermaid"?

In which Verdi opera does Violetta sing "Sempre libera"?

What African country completely surrounds the country of Lesotho?

What city would one find the Louvre in?

Where is Montevideo?

What ferrous alloy has a minimum of 10 percent chromium content?

What cord or strong strand of string tissue attaches a muscle to bone?

What is formed when light is bent by layers of hot air?

What pet bird takes its name from Australian Aborigine words for "good eating"?

What double-word song title was a hit single by David Bowie?

What animal does Ace save at the beginning of the movie "Ace Ventura"?

An 1849 painting by Asher Durand, and a sculpture situated in Bailick Park in Midleton, Ireland,share what name?

What are the names of the brothers in the band "Right Said Fred"?