In December 2026 ecommerce content marketers can celebrate 50 years of “Rocky,” revisit Agatha Christie’s mysterious disappearance, explain product construction, answer shoppers’ questions, and explore the origin of popular Christmas traditions.

Content marketing is the act of creating, publishing, and promoting content to attract, engage, and retain customers. It works best when it is human-generated and useful, informative, or entertaining.

Here are five content marketing ideas your ecommerce shop can use in December 2026.

Rocky Turns 50

Rocky’s old-school training methods helped make an underdog story a cinematic classic.

After a short premiere in New York City in late November 1976, “Rocky” opened nationwide on December 3.

Written by and starring Sylvester Stallone, the film introduced audiences nationwide to a fictional Philadelphia boxer who would become one of cinema’s most recognizable characters.…