Digital Marketing Humour

We work in a strange industry when this is the kind of humour Digital Media people have to put up with:

On taxonomies:

How many taxonomists does is take to change a light bulb / illumination device / electric light / light bulb / medulla / electric-light bulb / medulla oblongata / bulb / incandescent lamp / 40 watt / 60 watt / 100 watt / energy saver / halogen / fluorescent / bayonette / screw-in / low-voltage / clear / pearl ?

On SEO:

How many SEO specialists does it take to change a lightbulb light bulb light-bulb?

And, finally...

...On internet memes:

I rest my case.