Personalize, if not humanize, your posts, adding (CSS) popups containings avatars next to mailto links, as well as next to any word. You can chose avatar images, or let Gravatar chose it for you.
For documentation and tips, please refer to the official plugin page for <a href="http://planetozh.com/blog/my-projects/wordpress-plugin-avatar-gravatar-popup/" title="Avatar Popup" rel="nofollow ugc">Avatar Popup</a>

Ozh' Avatar Popup

Add CSS popups next to mailto links or next to any word. Can be any custom image, and has gravatar support.

Make a fresh WordPress install and archive all your tweets:
<ul>
<li>It’s easier to search than on Twitter</li>
<li>WordPress is not limited to the most recent 3200 tweets</li>
<li>It will automatically expand all those ugly <code>t.co</code> links</li>
<li>All your #hashtags can be converted to WordPress tags</li>
</ul>
Plugin’s page: <a href="http://planetozh.com/blog/my-projects/ozh-tweet-archiver-backup-twitter-with-wordpress/" title="Ozh' Tweet Archiver" rel="nofollow ugc">Ozh’ Tweet Archiver</a>
Live example: <a href="http://planetozh.com/tweets/" title="Ozh' Tweets" rel="nofollow ugc">Ozh’ Tweets</a>
Development: <a href="https://github.com/ozh/ozh-tweet-archiver" rel="nofollow ugc">on Github</a>

Ozh' Tweet Archiver

Import and archive your tweets with WordPress

Ozh' Avatar Popup vs Ozh' Tweet Archiver