trouble communicating

it's said that men have trouble communicating with women, 

but additionally, 

maybe women have trouble communicating with women, 

which would explain why women are not learning more from each others experiences 

joker

structure of pedagogical joke 

everything in joke is either or, 

which makes joke easier to understand 

and easier to convey a message, 

but at the same time makes listener take joke with a grain of salt 

premise of joke:

all dogs like to be outdoors 

and all cats like to be indoors 

circumstances easy to understand, 

but are not taken literally

joke: 

how do you see if guys are snitches? 

... 

because they have girlfriends 

joke: 

why are some girls single? 

... 

because they have had enough of dating snitches 

joke: 

why are some guys single? 

... 

because they haven't found anything to snitch about 

one of the messages of joke is: snitches are rewarded with girlfriends 

girlfriend/job/apartment/car could be used in joke 

nodes

if different individuals trust one person 

and that person has no problems with any of those individuals, 

then those individuals will be able to cooperate 

revolving chain missile deployment system

similar to belt fed machine gun, 

a revolving chain with attached missiles pulls missiles towards opening in aircraft's body, 

where missiles are released, 

advantage is that aircraft will be able to have it's entire body full of missiles and fuel 

in house 3d printing replacing 3rd party suppliers in industry

industry automation and 3d printing could probably eliminate a lot of 3rd party industry component suppliers 

for androids

for humans