The first thing I do on April Fools’ is check out what Google has on tap.
and, what would be most useful for me,
For 10 cents a kilo, you can upload any object and then retrieve it later with CTRL+F.
Most of the hoaxes immediately notify you when you try to sign up, but the Google docs one actually lets you submit yourself for a beta, asking, “Why should you get to beta test store anything?”
I travel extensively, around the world.
It would be quite convenient to retrieve physical objects from anywhere.
After you fill out the form, it tells you it was a gag.
You can find more, plus old Google hoaxes at the Wikipedia article.