According to a tweet from Dave Kopel, the anti-gun groups are paying for services to call any supporter they can find and connect those people to the Colorado Senate while debate is in progress on the anti-gun bills.
Antigun lobby is autodialing voters and offering to connect them to StateSen offices to voice support for antigun bills in #coleg
— Dave Kopel (@davekopel) March 8, 2013
Fortunately for us in the pro-rights movement, we have the networks that exist for us to make these request of other gun owners in person. The other side has to pay for it. Of course, by relying on those call center professionals instead of actual grassroots, they are able to more easily target and time their phone calls exactly when they need them.