<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>vitobcn</author><text>I find amazing how difficult it is to successfully perform apparently trivial tasks such as walking.&lt;p&gt;There&apos;s more information about the &apos;LittleDog&apos; on the Boston Dynamics website: &lt;a href=&quot;http://www.bostondynamics.com/&quot; rel=&quot;nofollow&quot;&gt;http://www.bostondynamics.com/&lt;/a&gt;&lt;p&gt;I was really impressed 2 years ago by their video of the &apos;BigDog&apos;:
&lt;a href=&quot;http://www.youtube.com/watch?v=W1czBcnX1Ww&quot; rel=&quot;nofollow&quot;&gt;http://www.youtube.com/watch?v=W1czBcnX1Ww&lt;/a&gt; (check out t=40s)</text><parent_chain></parent_chain></comment><story><title>The latest version of the LittleDog robot </title><url>http://www.youtube.com/watch?v=nUQsRPJ1dYw&amp;feature=player_embedded</url><text></text></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>tel</author><text>Anyone with some robotics experience able to explain more about the floating base inverse dynamics control system and what sort of accommodations make it so much more powerful than PD?</text><parent_chain></parent_chain></comment><story><title>The latest version of the LittleDog robot </title><url>http://www.youtube.com/watch?v=nUQsRPJ1dYw&amp;feature=player_embedded</url><text></text></story>