 Here, we aim to quantify the influence of troll accounts on Twitter by analyzing 152.5 million tweets from 9.9 million users  .
<meaning-changed>  Here, we aim to quantify the influence of troll accounts on Twitter by analyzing 152.5 million tweets from 9.9 million users  .
 Here, we aim to quantify the influence of troll accounts on Twitter by analyzing 152.5 million tweets from 9.9 million users ) from that period .