I don’t how to contact those Never mind and work knowledge, so my knowledge really is very narrow, now a lot of knowledge I do not know why, I have never heard of, so I really feel it is outdated, just a few days ago, I heard a a colleague said this Targeted Attacks knowledge, when he said there is not stopped, I have been thinking of this Targeted Attacks is what is said, although he said a lot there, but I don’t know much, then I found out that my colleagues know about Targeted Attacks’s knowledge is really many, so I had to learn Targeted Attacks knowledge idea, after a few days of learning, I think there are some gains on the Targeted Attacks, I have some understanding, so the future is to learn Some knowledge in this area is better.