I suggest they will increase their exposure in the forum by adding more participants in the signature campaign, I believe there's plenty of gamblers here and now that hey are improving, they should maintain or improve more.
There's no need for more campaign participants the gambling board isn't that active compared to the other boards like Bitcoin Discussion or Altcoin Discussion and what if they're not getting much traffic from sig campaigns. Imo they should keep rolling out more promos it attracts bettors to come and try them out for once. Their promotions is effective and that got me interested in to using their service since the very beginning.
That's right, having more promotions to attract gamblers who already been in the site and stay playing, boosting the odds is one of those which I like with this sports betting site, having more promotions will let players to keep playing and not to go and play with other site, sportsbet already have numbers of gamblers they needed to keep them by giving latest offers so I also think that having an active signature campaign will do no need of adding participants.