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Faking an email sender name and address is very simple, due to a huge security hole in the SMTP protocol (do they still use SMTP or am I aging myself?). This is something that spambots do all the time. From what you describe, it looks like the sender is more concerned with having you click the link in the message than concealing his identity. Most likely the site will attempt to trick you into download/install some malware on your computer.
Incidentally, I like to open up a web browser in Sandboxie, and load those spam links in my sandboxed browser, just to see what kind of evil it's trying to do to my computer. Once in a while I stumble upon one that is quite evil and/or destructive!
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I think most of the malware now falls into a few categories...
1. Encrypt your "Documents" folder and hold it hostage for ransom money. The fake anti-virus scam also falls into this category, as it somewhat takes your machine hostage.
2. Install some service that adds your computer to a botnet.
4. Send email with malware attached, in your name, to all of your contacts.
5. Randomly try to destroy the contents of your hard drive or brick your computer. This one to me is the most stupid, because the malware writer has no way of knowing if his code was ever executed on someone's computer. I suppose maybe if it made the news, then it might give some sense of reward to the evil-doer. Who knows?
#1 is the most fun to watch in Sandboxie or on a virtual machine that you don't mind trashing.
It does seem, though, like the majority of them nowadays are bent on making money in one way or other, either directly from you (ransom), by injecting affiliate links in your browser search and bookmarks, or even install bitcoin miner on your computer.
On the other hand, you have different fingers. - Steven Wright
The majority of the little facebook apps which "analyze" your profile and make up some mem collect profile info and friends. If both you and your friend did the same one that app would have collected enough information to have to & from addresses.
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On what I know about tennis, I can count on one hand and have 3-4 fingers left over. With Wimbledon currently going on, I noticed something while passing by one of the matches on TV. Why does the receiver always seem to stand near a corner during the serve? If the ball were served to the opposite corner, the receiver has to run the whole width of the court for a return. I would think a mid-court stance would be optimal. Correct me where I'm wrong.
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Service has to happen in diagonals so the person who has service has to be diagonally opposite and serve to the other person. So, the optimal place is near (but not quite at) the far corner because that gives the player the least amount of work to do. If they were close to the centre line, they may have to turn to run to get the ball to hit it back, whereas if they are near the far corner, they only have to turn if they are playing a back hander.
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A good serve requires the server, standing behind his back line and on the proper left-right side, to hit the ball such that it bounces in the rectangle of his opponent's side (and without hitting the net) and whose edge is the net and which is on the opposite left-right side of the server. An for any volley, the ball cannot bounce more than once, although it need not bounce at all (although perhaps it does for the serve?)
Good tennis players are able to hit this serve (i.e., the initial volley) at a very high velocity, which is facilitate by aiming as far away from the net as possible (i.e., deep into that rectangle), so the returner must be able to react to a very fast ball hit very deep into the upper rectangle, which of course has the bounce that can be all the way from the middle of the court t the side, a rather wide angle spread. And not only that, but very good servers are able to put spin on the ball - like a good billiard player would do - so that the ball comes from that initial bounce with an unexpected new trajectory. And all of this must be done while the ball is whizzing by at about 130 mph (Federer's speed)!
Now, with a fast, deep serve as "normal", an abnormal serve would be to have the ball hit farther up, but to accomplish that, the ball cannot be hit fast, as there must be a parabolic arc that could only happen with a soft shot. But a soft shot gives the returner a lot of time to run after it, so the optimal stance to return the ball is to be very deep.
The ball has to be served into the 1/8th box (the service area) that's toward the net on the same side that the receiver is standing (diagonal of the server.) A right-handed player can then return the serve with the best control by standing in the left bottom corner or the bottom center, at most having to traverse half the width of the court.
If receiving on the left diagonal of the court, this means standing on the left corner. If receiving on the right diagonal, this means standing at the bottom of the center line.
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