<divclass="input-group"><spanclass="input-group-addon">$</span><inputtype="text"class="form-control"placeholder="Some text here"><spanclass="input-group-addon">.00</span>  <!- input-group-addon class is no more --></div>

<divclass="input-group"><divclass="input-group-prepend">  <!-  for prepend - need a outer div.input-group-XXXX --><spanclass="input-group-text">@</span> <!-  input-group-text is the new class --></div><inputtype="text"class="form-control"placeholder="Some text here"></div><divclass="input-group"><inputtype="text"class="form-control"placeholder="Input with append text"><divclass="input-group-append">  <!-  for append --><spanclass="input-group-text">.00</span></div></div>