Duolingo and Carnival Cruise Line are offering seven continents, 195 countries, 40 languages, five years at sea--or are they?

The cruise isn’t real, but Duolingo and Carnival made a fun video about it. [Media: ...

If you see a weird product being announced online today, don't be so sure it's real. Duolingo, Razer, Yahoo and Priceline ...

Cruise Lines embrace April Fools Day, including Carnival's Duolingo World Cruise, Royal Caribbean's Voyager of the Land, ...