I believe she is referring to opting out of the full body scanners[1] in American airports. One can do that by telling the TSA agent that they'd like to opt out of the scanner. They will instead do a manual pat down.
I had one issue though. I managed to type 129wpm in one round (I normally type around 105-110, this particular paragraph was easy). It told me to be allowed to use this score I had to prove I could type 117wpm on an obfuscated (think captcha) document. I was not able to do that. It's a good idea, in theory. Maybe if I'd tried a few more times I could have gotten it up there.
I use space for page down and shift+space for page up. Scrolling means tracking where I am as I go, when I hit page down I know where to start reading, the top. It feels more like reading a book.
Yesterday I launched my iOS receipt management app, Simple Receipts. My goal was to make the absolute simplest app possible, as all of the (many) existing ones were complex.
By default it simply saves your receipt images to your camera roll. If you link with Dropbox, it will upload them there.
As of today it's $0.99 in the App Store. You can find it here:
Building a pulley system would take some significant time and requires finding the necessary tools and resources. The bucket brigade is much simpler and immediately available.
There's a cork recycling bin at the Green Life (owned by Whole Foods) in my hometown. They don't mention what they use it for, as far as I can tell, but I'd guess they sell it somewhere.
https://blog.mozilla.org/security/2012/10/11/click-to-play-p...
Though I just never bothered installing Flash. If I need Flash for a site, I use Chrome (which comes with Flash embedded, I believe).