If you're looking for a simple to use but feature heavy way to keep take and share notes in the cloud, 3Banana makes organizing your notes easy with in-text hash tags.
You can sign up for an account at 3Banana or use your existing Google credentials to jump right in and try it out. Note creation is simple you can create basic notes simply by typing in the dialogue box or enhance the note taking process by including HTML tags and images. 3Banana automatically recognises pasted links and common formatting like phone numbers. You can categorise your notes by using hash tags like #tasks to tag your notes. You can also easily share your notes by publishing them to your Facebook and Twitter account or more traditionally by emailing or pasting the URL. There are currently apps available for both the iPhone and Android phones. For more great note-taking tools, check out the Hive Five on the topic.