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You’ve probably seen more and more of your favorite sites moving to HTTPS. Sure, you’ve been careful to buy only from commercial sites that use the secure protocol, but why worry about it when you’re on Facebook?

Mashable has a great illustration of this–ignoring HTTPS is just like handing your laptop over to a random stranger and walking away. And more and more sites are recognizing this, and giving users the option to use HTTPS. foursquare recently moved everyone to HTTPS; they seem to be very aware that their service, while “opt-in,” does raise privacy and security concerns for some of their users.

Facebook provides an example of why making the switch isn’t always that simple a decision. While you can switch to HTTPS for your profile and pages, some of your apps (including those all-important games!) may not work afterward.

It’s not foolproof, and there are new tactics in the works–but it’s an important start. Have you made the switch?

Photo by Digiart 2001 | jason.kuffer, via Flickr.