Mozilla Thimble is a website that allows people to learn HTML and CSS very easily. While a user inputs data to the left of the page, the user can see what the website would look like to the right. It also allows users to create their own webpages straight from their website.
Google Groups allows you to organize all of your discussions into one place. Google Groups also allows photos to be shared and automatic translations for person to person. You can also discuss any topic from anywhere.
Pocket is an application that can be used on a computer or any mobile device that allows you to save anything you find interesting on the web in an organized fashion.