Reply to long emails point-by-point. Highlight text, press a button, and the quote shows up in your compose window.
We add a button to your compose window. When replying, you can highlight text you want to respond to, push our button, and we'll add the quoted text right in your compose view.
Also, you might like my other extension, which lets you take notes from your tab:
https://chrome.google.com/webstore/detail/jotter/icdbglcdnjonofjpcfpcgpjjchokgnjl