One of the library's goals is to be the go-to place for residents to learn the tech skills they need for business, school and home. Check out Treehouse, an online resource for learning advanced tech skills such as coding, web design and app development. Arlington Heights cardholders can enroll in any of eight different tech tracks that can ultimately give the user the ability to create an online portfolio to show to potential employers. Learn more about Treehouse and get started today.