Evernote allows you to clip information from the Web and edit the Web pages. You can create your own notes, drag and drop content into Evernote. Also, there is software that you can download that allows enter information and sync it with the Web-based content.
By default, the information is kept private on the Web but you can make it public.
A number of video tutorials are available here. The Getting Started Guide can be found here.
With the free account you are allowed up to 40MB of uploaded files each month. With a Premium account, which costs $5/month or $45/year. the amount of uploaded files allowed is 500MB. There are other advantages of upgrading to the Premium account. Click on this link for more details – Premium account.
You can also embed widgets into your Web pages such as the one below.