Welcome spring in the northern hemisphere! Thoughts turn to fresh new growth -- a new tool to help with writing documents for procuring library systems, a fresh way to think about how libraries can transform and be transformed, and spring cleaning for your browsing habits with a do-it-yourself VPN.

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Wandering into public or semi-public wireless networks makes me nervous because I know how my network traffic can be easily watched, and because I'm a geek with control issues I'm even more nervous when using devices that I can't get to the insides of (like phones and tablets). One way …