For a several years, I was the co-host and CFO of the AskHistorians Podcast.

Dildos, for the four people on the internet that are somehow not yet aware of them, are sex toys intended for sexual penetration (of a male or female) during recreational bedroom activities. They are very often phallic in shape—which is to say explicitly penis-shaped—sometimes down to minute detail, but more often in a sort of general, abstract way. A google search about the history of dildoes will turn up all sorts of =slideshows and pop-culture articles on the internet crediting the invention of dildos all the way back to the Paleolithic era, like these:

Today, the strangely-elongated bell shape of a condom is instantly recognizable. Condoms are the most-used sexual devices in the world, and in studies of sexuality and sex practices the vast majority of people report being familiar with condoms or have used one recently. The standard modern condom is made from latex and is used to prevent pregancy (with 98% effacacy if used correctly) and to act as a protection against most STDs.

A presentation on the ways that AskHistorians enabled public history work to be done.

Publicity here.