I’m guessing the answer is probably no–but that is a big mistake. What if I told you one study shared by DPeter Steidl in his book Neurobranding found that the font size of the discounted numbers on a ...

Signal, an encrypted messaging service, lets you change the font size of the app's display and messages. You can change your font size in Signal on the platform's desktop, Android, and iPhone apps.

Are you having trouble seeing your smartphone’s display? Maybe the text is just too small to read for you, and you would like to increase it to something that’s a little more comfortable. Luckily, ...