The NY Times tackles that old September chestnut: where to find discounted textbooks. Suggestions include using online book deal-hunter Bookfinder, and opting for lesser-expensive international editions of textbooks. See Lifehacker readers' take on textbook buying in this Ask the Readers post from last August.
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roanokecollege/Flickr Even if they haven't gone so far as to get formal self-defence training, many people (particularly women) have considered what strategies they'd deploy if they were attacked by a stranger. A popular thought is that one would use an object on your person as a weapon of defence - like keys, for instance.
It feels like Microsoft is ramping up its major system updates for Windows, with one now coming every six months or so. But the problem, apart from Redmond eating your files, is that Windows updates always leave a lot of temporary files and other space-stealing junk on your PC. This can accumulate over time and eat up many wasted gigabytes, which you may not be able to spare—nor should you have to.