impossible → routine

Which bird is that

Naming the species of bird in a photograph.

Impossible

xkcd uses checking whether a photo is of a bird as its example of a task needing a research team and five years.

source

8 months

Routine

Cornell's free Merlin Bird Photo ID names the species in an uploaded photo.

400 species, free

source

xkcd publishes the date of each comic in machine-readable form; comic 1425 is dated 24 September 2014 at https://xkcd.com/1425/info.0.json. The comic's alt text points at the older version of the same joke: Marvin Minsky assigning computer vision to a group of undergraduates for the summer.

All dated pairs