Valentine's cards and gifts have their roots in English traditions — but Americans have long embraced them for romantic partners and other loved ones.

Friday's Google Doodle celebrates Valentine's Day. The artwork shows a variety of yummy-looking chocolates in pink wrappers with "Google" spelled out in icing on the tops of treats. Chocolate is the traditional treat given in the United States to loved ones in honor of the winter holiday on Feb.

Save your money on expensive Hallmark cards, and instead make a personalized card using artificial intelligence.

Here's a look at some of the top Valentine's Day search trends and what they reveal about how Americans planned to celebrate.