how do these products not still exist?

sanitized tape worms, late 1880s - early 1900s

chinese rat poison, late 1880s - early 1900s

burnett's cocoaine for the hair, 1895

american gentleman shoes, hamilton, brown shoe co., ca. 1888

the spinal brush, 1904

iver johnson revolvers, 1904

harness' electric corsets, 1893

grove's tasteless chill tonic, 1897

cocaine, toothache drops, lloyd manufacturing co., 1885

lung expander

brooke's soap monkey brand, late 1890s - early 1900s

i wonder what our ads & products will look like 100 years from now?  things moves so much more quickly these days, i can't even imagine.