This is a stupid article, meant for stupids !! A No Brainer . The points mentioned above are just common sense, and if people doesn't know these stuff, they are not fit to be employed !! This is like advising a robber not to wake up anyone in the house.
This article is about being pragmatic. Costly mistakes do happen if we dont take it seriously. Normally people dont leave cell numbers or co-ordinates in a public chat-room. Office needs similar caution. We dont work with a bunch of friends but 'peers'.
I am Boss and I ignore my juniors making CV's or posting them on internet, I just tell them to give 1 month notice and help in arranging an alternate and then leave
Common, all the points mentioned below are known to every1, none are foolish to do things as mentioned in this article, i think some innovative ways shud be discussed rather than things which we all know