potatoooooo

Oculus checks your comments against the Alibaba Yundun Antispam to see if they look like spam or not and lets you review the spam it catches under your blog’s “Comments” admin screen.
Major features in Oculus 0.1 include:
<ul>
<li>When guest write comments , oculus record user behavior information such as mouse click , mouse move and so on.</li>
<li>Oculus will check the device info of guest to see if they are hacker.</li>
</ul>
PS: You’ll need an <a href="http://www.aliyun.com/product/antifraud" rel="nofollow ugc">Alibaba Yundun Appkey</a> to use it. Appkeys are free for personal blogs, with paid subscriptions available for businesses and commercial sites.

Oculus

Oculus checks your comments against the Alibaba Yundun Antispam to see if they look like spam or not.

Oculus vs Spam protection, Honeypot, Anti-Spam by CleanTalk