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As venerable as the camel book is, the idea of having a quick and offline reference for Perl on a tablet does sound appealing.
I'm sure that there are ways to have the same content at your fingertips for free, but if you can spare the $3, it could be a handy purchase to Perl developers.
This app is another one of those "the first taste is free" type apps. It starts on a 15-day trial, after which it goes into Free Edition mode unless an add-on in Zoho Projects is purchased.
If you think that this is a good purchasing model for your app, I suggest you read a few reviews of this app before you head down that path.
(Image: Future Lab)
An app that works great in theory, if the iPhone is tracking your location, the least it can do is inform significant others when you are in trouble.
In practice though, if you are in trouble, are you likely to be able to get to your iPhone and open an app to inform others that you are feeling unsafe. And is there an easy way to notify people that you are now not feeling unsafe?
Could this be the app that cried wolf?
Either way, I hope you never need to use it.