A recent article has been circulating, courtesy TheVerge.com : http://www.theverge.com/2016/9/13/12890050/adblock-plus-now-sells-ads
Adblock-Plus is a paid program that claims to remove all online ads from your computer browsing experience.
Now, they are shifting to selling ads through their program to Advertisers.
If this seems backwards, it is!
The marketplace is full of these software programs - some we come across regularly: System Mechanic, DriverUpdates, etc.
Don't install any programs that you don't absolutely need to get your work done - And even for THOSE programs, be sure to buy and download from reputable sources
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For my fellow Macintosh users - here's a little education about malware.
If you own Macs like me, you have very little to worry about when it comes to viruses and malware. Notice I said "very little" and not "nothing" to worry about.
Yes, there is malware out there that can infect OS X, but it is very rare. Plus, since OS X is based on UNIX, the only way to infect the System is by intentionally allowing the malware to be installed, which would require entering your Administrator name and password at least once. Pretty simple - if you weren't installing software or modifying a System preference of some kind, then don't enter your password.
Many of my clients still worry. Clicking a link in a suspect email or visiting a malicious website can certainly open you up to infection, but using common sense should be all the protection you need. With that said, there are a couple of anti-virus/anti-malware applications for OS X out there that...