It's not known when the "service with a smile" slogan was first used, but sources suggest that it appeared in an ad for the Abraham & Straus (A&S) store as early as 1915.
Companies have slogans for the same reason they have logos: advertising. While logos are visual representations of a brand, slogans are audible representations of a brand.
Both formats grab consumers' attention more readily than the name a company or product might. Plus, they're simpler to understand and remember.
Their goal is to leave a key brand message in consumers' minds so that, if they remember nothing else from an advertisement, they'll remember the slogan.
Check out these 22 companies with really catchy taglines & slogans shared by Hubspot.com.