7UP is a popular lemon-lime flavored soft drink that has been a staple in the beverage market for decades. Created in 1929 by Charles Leiper Grigg and introduced by the Howdy Corporation, it was originally marketed under the name "Bib-Label Lithiated Lemon-Lime Soda." The name was later shortened to 7UP, a name that was thought to evoke freshness and energy. 

One of the distinctive features of 7UP is its clear, lemon-lime flavor, which is a result of its unique blend of citrusy ingredients. Unlike many other sodas, it doesn't contain caffeine, which has contributed to its appeal among those looking for a refreshing, non-caffeinated alternative to cola.

Over the years, 7UP has seen various changes and marketing strategies. In the 1970s, it adopted the "Uncola" slogan, emphasizing its distinction from colas. The brand has also been involved in various promotional campaigns and has expanded its product line to include diet and cherry versions, among others.

7UP has been part of the Dr Pepper Snapple Group, now part of Keurig Dr Pepper, and it enjoys a global presence. Its clean, crisp taste and caffeine-free formulation have made it a go-to choice for a refreshing beverage, both on its own and as a mixer in cocktails.