Here's a tip for Safari users:
Under the Safari menu is the "Reset Safari" command. Setup its options and use it to eliminate cruft when leaving a web site.

Witness the birth of Ransomware
Not quite malware, not always legit software, Ransomware is someplace in between. More here.

Sufferin' from bufferin'?
Most NevCo residents are not getting speeds advertised by local ISPs. Test your speed on our Broadband Buster (below).

Protect your MacBook from spills
Moisture sensors will void warranty, and unibody models are costly to repair. Check out Moshi keyboard covers.

Should I upgrade to Mavericks?
No. If it works, don't fix it. Unless you have a compelling reason, ignore Apple's new nag notice (IMHO).

Recommended videos:
Good Girl Gone Geek - Career advice for women (12 min.)
Art of Web Design - Keep it simple (7 min.)
The sad story of Aaron Swartz - "Internet's Own Boy" (trailer)