Priced at $40 USD, the Fire TV Stick is a bit more expensive than Google's $35 Chromecast, but $10 cheaper than the already-affordable Roku Streaming Stick âlike other typical set-top boxes, the standard Fire TV is available for $100.
The precise question was: Is a dog's mouth cleaner than a human's? The answer to that is no, too, and basically for the reasons you've already cited. As we all know, dogs aren't particularly fussy about where they put their tongues or what goes into their mouths.
1 When dogs are trying to follow a specific scent, their noses make a thin layer of mucus that allows them to actually absorb scent chemicals and, therefore, smell better.  Because dogs tend to lick them a lot. This one seems pretty straightforward, but thereâs more to it â namely, why dogs lick their noses.