Google Reader added an option to increase/decrease font size for all the posts: press = to magnify text and - to decrease its size. Unfortunately, Google Reader doesn't save your preference, so the next time you open it you'll see the original font size.
While most browsers include a zoom feature (Opera, IE7, Firefox 3) or an option to increase the font size, Google Reader applies the new font size only to the posts, not to the entire page.
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Oh, and one more thing: you can now delete notes, not just unshare them.
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