I discovered a totally new literary genre: customer reviews about a vibrator.  They are all interesting, but I thought this one was especially sweet:
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Awesome and affordable!
Rating:  [four out of five stars]
Submitted 11/21/2006
By Happy and satisfied from NYC

It's such a good vibrator-- nice texture, cool shape, and lots of settings make for a fun time. It is loud, so if you have roommates-- turn the stereo up a little! I usually get bored of a vibrator after a month or so, but this one definitely has kept my attention. It's also a good gift for girls who've never owned one-- it's not intimidating in size or shape. I gave two as b-day presents; they were received with giggles, but I've gotten "no, SERIOUSLY, THANK you's" from them both!
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The idea that women give each other vibrators as birthday presents came as something of a shock.  But sure, why not?  And you can't help loving something that comes in such cute colors, and is trying so hard not to look too severely phallic.

I am tickled by the roommate scenario: Miss Marcie, carrying a brandy, disappears into her room; the door is closed, the music is turned up loud; Trish and Alexis look at each other, and do not even have to speak, to understand: Oh, she is having another one of her serious consultations with her learned little friend ...

Another customer, less impressed than this one, writes to complain that the settings were "predictable."  Whatever that means.  It just goes to show, there are some women that you wonder if they can ever be pleased.

In passing, one observes from these messages -- and no, I did not read them all, just the most recent handful -- that the users of these gadgets are alone when they use them.  They are not with someone else.  Presumably, couples could find a way to work them into their, let's say, conversation.  But I saw no evidence of that.

I suppose there are men too who go off by themselves with a vibrator.  But even I, with my long experience going back to the Jurassic, do not know any.  And so, the question may be asked: Does the average female orgasm emit more GHGs than the average male orgasm?  I would guess, almost definitely no, even if many women and almost no men resort to these powered devices.  In fact, men typically are ready to cross continents, and do so, driving snazzy but inefficient vehicles, in their quest for the orgasm of their dreams.  Boys and their cars are surely a more significant threat to the planet, than girls and their toys.

Chickens are our cousins! So are other sensitive animals! Enough is enough! No more factory farms!

But women typically orgasm for longer periods of time (nyah, nyah). Better stop getting off, for the sake of the planet!

Women do give each other vibrators, and I have done so, but only to someone I know really well. Vibrators are very personal, like clothes. I wouldn't presume to buy a sweater for someone, either.