In particular, it is often taken to indicate that it is very likely that there was one particularly major prehistoric migration of humans out of Africa, and that both M and N were part of this colonization process.
There is a debate concerning geographical origins of Haplogroup M and its sibling haplogroup N.
Determining the origins of haplogroup M is further complicated by the fact that it is found in Africa and outside of Africa.
That's not a very smart shop keeper by the sound of it.
By the way dude, generally on these boards discussing any mods/hacks and the like is frowned upon so I would leave it at my post and stop asking questions.
Esentially he's stopping a potential customer from purchasing from the store as well as stopping future purchases. The choice is entirely yours however, if you attempt to update to the latest firmware you may find that it may cause some features not to work etc.
The design was tested at Ts AGI’s wind tunnels at Zhukovsky.
During this time, Sukhoi, traditionally a designer of fighter aircraft, developed the T-4, a four-engine titanium aircraft with canards.