In order to understand why all capital letters are harder to read, I read a lot of blog posts which talk about why capital letters are bad for readability while scanning or reading a longer text. YouвЂ™ll be surprised to know the reason behind the evolution of lowercase letters- they were invented to improve readability! *sigh* While searching for the usage of all capital letters in design, I stumbled upon this Quora answer about how non-capital letters emerged. HereвЂ™s everything in a nutshell- All capital letters (AC) I have been looking for books and research papers which have information regarding the best ways to capitalize on menu items, headings, and other UI features. The more I read about letter case, the more I became convinced that itвЂ™s a significant detail that designers must keep in mind while designing. One may think that battling for uppercase or lowercase is just another hyped-up detail of UX Design. Like everything else in design, it all comes down to Principle OneвЂ“ Empathize with your users. Someone will use it on a desktop, someone will use it on a mobile app. EveryoneвЂ™s interaction with the application is different. Do factors like font size, typography, font color affect the readability? Does it affect userвЂ™s knowledge retention?ДЄlso, itвЂ™s important to understand that you canвЂ™t create a product personalized for each and every user. You need to figure out which option is easier for your users to scan through the text. The data from user research results will give you an idea about your targeted audience. Ideally, the decision to use capital letters or use sentence casing should be backed by extensive user research on the industry for whom you are designing. This subject has been picked up by many researchers and studies have been conducted to understand if a fixed pattern exists which can be used in UX design. To use capitalization or running case is just one of the many decisions where designers struggle to make the right choice. But now, when every design decision impacts the user experience, it has become important to pay attention to every detail. Ask a person who is a marketer and she will argue extensively about the importance of grabbing attention ( go for the headings!).ДЄ few years ago such small details didnвЂ™t matter. Nudge an English teacher and he/she will lecture you on the rules of grammar. We didnвЂ™t use this video in class but I think itвЂ™s helpful.Everyone has their own opinion about when to use all capital letters (AC), normal mixed case (MC), title case (TC). If you didnвЂ™t get a good score during class, give it another try: Video Tutorial вЂ“В Kerning and Kerning Pairs To help with the concept of kerning, we played The Kerning Game online. pica вЂ“ typographic unit of measurement: 12 points = 1 pica 6 picas = 1 inch 72 points = 1 inch.points вЂ“ unit of measurement in typography: 72 points = 1 inch.Tracking = adjustment of the space between letters for the a whole word, sentence, page or document. Kerning becomes more importantВ withВ large or display type. Kerning = adjustment of the space between two letters to improve the appearance.

Navigate through the links highlighted in yellow: Designing with TypeДo you know the difference between kerning and tracking? You need to make sure you understand.

But as a review of the Five Families of Type, hereвЂ™s aВ link to an added resource. The main topic of the discussion was kerning, tracking and letterspace.

Letterspace caps