div>
      <div class="collapse navbar-collapse" id="myDefaultNavbar1">
        <ul class="nav navbar-nav">
          <li><a href="articles" title="articles">Articles</a></li>
          <li class="active"><a href="#" title="presentations">Presentations<span class="sr-only">(current)</span></a></li>
          <li><a href="interviews" title="interviews">Interviews</a></li>
          <li><a href="projects" title="projects">Projects</a></li>
          <li><a href="bitcoin-information" title="bitcoin info">Bitco