We are often reminded to change our smoke detector batteries twice a year by basing it on some calendar event, like the equinox or at the start of certain seasons (e.g. Fall and Spring).
I recommend you do that for your cell phone plans and other plans from service providers you have. Especially with cell phones, you will find that new plans will come out that are better than your current plan, and a call to your provider can save you money and get you better service.
Go through your financial statements and look at all the service fees you are paying. Then pick some times on the calendar and at that time either cancel the service or ask them for better or cheaper service. Over time you’ll save money.
If you want to merge PDF files on a Mac, you might be tempted to use a tool like 
For people who have a hard time say “no” to others, I highly recommend this piece: 
Nowadays movies seem to be getting longer….many creeping up to 2.5 hours in length. (Don’t believe me? Check out 
I have come across the idea of 
You might think: no one is going to hack my Instagram account. And you might be right. But here’s the thing: if someone does hack your account, you have next to no chance of getting someone at Instagram to restore it. Rather than make it easy for hackers to take over your account, spam your friends and delete years of photos, you should use 2FA. To do so, read this article: 
Multi-Factor authentication is great. There is only one downside: you lose your phone. The way to deal with that is to have a backup. To set that up, either read this if you use Microsoft’s authenticator: 
Over at LifeHacker they recommend how to 
Smart People I Know 