Twitter bombs
... that Twitter bombs have been used in Internet activism by people as diverse as Barack Obama and members of Anonymous?
... that <b id="mwDpg"><a href="./Twitter_bomb" id="mwDpk" rel="mw:WikiLink" title="Twitter bomb">Twitter bombs</a></b> have been used in <a href="./Internet_activism" id="mwDpo" rel="mw:WikiLink" title="Internet activism">Internet activism</a> by people as diverse as <a href="./Barack_Obama" id="mwDps" rel="mw:WikiLink" title="Barack Obama">Barack Obama</a> and members of <a class="mw-redirect" href="./Anonymous_(group)" id="mwDpw" rel="mw:WikiLink" title="Anonymous (group)">Anonymous</a>?