Of course, his performance and explanation were extraordinary but the lack of slides, and due to background noise, made it a little bit difficult to understandjsdhhjjjjjjjjjjjdkaydvvhhhhhhhhhha the jdbd d jsb sh shshshshshsns sahhahb ahbsbbddaabhjdjdjdjdjjdjjdabshhshsjjsyhhfThe history of communication itself can be traced back since the origin of speech circa 500, 000 BCE. The use of technology in communication may be considered since the first use of symbols about 30, 000 years BCE. Among the symbols used, there are cave paintings, petroglyphs, pictograms and ideograms.
Of course
, his performance and explanation were extraordinary
but
the lack of slides, and due to background noise, made it a
little bit
difficult to
understandjsdhhjjjjjjjjjjjdkaydvvhhhhhhhhhha
the
jdbd
d
jsb
sh
shshshshshsns
sahhahb
ahbsbbddaabhjdjdjdjdjjdjjdabshhshsjjsyhhfThe
history of communication itself can
be traced
back since the origin of speech circa 500, 000 BCE. The
use
of technology in communication may
be considered
since the
first
use
of symbols about 30, 000 years BCE. Among the symbols
used
, there are cave paintings,
petroglyphs
, pictograms and ideograms.