2008 Published my first website to the web Using a .co.nr free domain name 2016 Founded Oswald Labs Started doing R&D in accessibility technology 2018 Forbes 30 Under 30 Also featured in 30 articles and interviews
1B Estimated number of people with disabilities 4 OT H E R D I SA B I L I T I E S 3 700M Lower estimate of number of dyslexics Upper estimate is as high as 1.4 billion 2 DY S L E X I A
Content & labels 2 Reading level: 80 word paragraphs in high-school level Internationalization: Multi-lingual content availability Alternate text: Add alternate text to visual elements Captioning: Use [CC for media elements
alt="Alternate text" title="Title text" aria-label="ARIA label" aria-labelledby="#ref" > A span with an ID! Inner text! ! HTML Sandbox link: https://codesandbox.io/s/ xenodochial-greider-gg8nq What’s the label for this button? etc.ch/mtCP
Use both labels and icons Not everyone will understand the metaphor Labels help people with visual impairments Icons help unlettered people (Shravan example) Use empty alternate text for icon images
[aria-hidden], .sr-only, display: none Remove a node from the Accessibility tree with aria- hidden, but show it to sighted users Hide a node from sighted users, but keep it in the Accessibility tree with .sr-only display: none is a combination, but stays in DOM
1B Estimated number of people with disabilities 4 P E O P L E W I T H D I SA B I L I T I E S 7.7B Estimated number of people on Earth 6 WO R L D P O P U L AT I O N
async caption(img) { const f = await fetch( `${BASE_URL}?url=${ img.getAttribute( "src" ); }` ); return (await f.json()) .caption; } JAVASCRIPT Simple AutoALT using Cloud API Oswald Labs Platform APIs make it easy to generate image captions using deep learning.
References 1.The population of the United States is 329,679,329 on September 20, 2019, according to the U.S. Census Bureau’s population clock available at https://www.census.gov/popclock/. 2.The lower limit for the number of people with dyslexia is 10% of the world population according to the sentence “Researchers estimate that dyslexia affects at least one in 10 people” on https://www.sreb.org/blog-post/dont- be-afraid-say-dyslexia. 3.The upper estimate for the number of people with dyslexia is 20% of the world population, as stated in the sentence “According to a Yale study 1 out of 5 people suffer from dyslexia” on https://www.edubloxtutor.com/ facts-about-dyslexia/. 4.According to the World Bank, “One billion people, or 15% of the world’s population, experience some form of disability” https://www.worldbank.org/en/topic/disability 5.The A, AA, and link color contrast ratio requirements, along with the WCAG, are available at https://www.w3.org. 6.The world population as of September 28, 2019, is 7.733 billion according to https://worldmeters.info. 7.Image for list of landmarks on a webpage: https://www.w3.org/TR/2017/NOTE-wai-aria-practices-1.120171214/ examples/landmarks/images/landmarks-vo.png.