“Put Your Phone On Airplane Mode Instead Of Hanging Up”: Guy On Twitter Shares 10 Useful Life Tips

I like this idea. Seems like something you could start doing digitally, then eventually transfer to a book (because who knows if the Internet, or any sort of comparable technology, will still be around in 500 years).

To expand on this, you can use this as a filter in your email program. So anything sent to you with a "+1" in your email address could be filtered to automatically be moved to a special folder -- keeping your inbox from getting filled up with those sorts of emails. (You can also add a period anywhere within a Gmail address and it will still deliver to you.)

I sometimes mix these up and have to look up which is the right one to use, but one trick that helps keep them straight is that "i.e." and "in other words" both start with the same letter.