Hello! I don't know if such a trick is used. It is possible to pack 8 variables of type boolean into one variable of type char.
About it.
https://stackoverflow.com/questions/846 ... vice-versa
How to reduce the delay on the network
Re: How to reduce the delay on the network
I don't think there are many booleans sent over the net, and everything is gzipped before being sent over the net, so they would be sort-of packed, anyway.