a company which operates on the cutting edge of machine learning ...
you may more effectively write :
......a company which operates the cutting edge learning machine and .......This gives them,
especially for him as an expert on that company , a new perspective on what machines can and can't do, then
finds[this verb should be refer to subject 'them'] out what jobs they ...
He started to reveal that
machine learning =
learning machine isn't just for simple tasks (...) sorting mail anymore, as
like in early 90s.
Today,
it'sit is[avoid contraction in writing] capable of far more complex applications, like grading high-school essays,
andwhile the most challenging ...
The data
hashave clearly shown that (...) performance at all the tasks
like these.programmed... we have no change to compet
ingE against machines, however there are
overall, you have shown good progress in writing. good luck