SVG Path Tutorial
SVG: Basic Examples (updated)
a very good story about Google. This guy, reported to Google about a GMail security problem. That is, it failed to escape HTML. And Google engineers replied saying it's not a critical problem and doesn't even fix it, until the guy said he's going to publish it.
Why you should not trust emails sent from Google: HTML injection in mails sent from Google Scholar By Tom Van Goethem. @ http://vagosec.org/2013/09/google-scholar-email-html-injection/
Social Network Voting Systems and Their Consequences
How to Create and Update a Website Logo (Favicon) (minor update)
Phone ＆ Tablet Screen Density Comparison (updated)
CSS: Understanding CSS Units Real basics. New page.
Hacker News Traffic Effect