Political analyst John Zogby has what he calls "kind of a seasoned eye" after years of looking at polls.

"I steadfastedly refused to call a winner because it was pointing, to me, in the direction of too close to call," Zogby said.

He noted that polls can be reliable.

"It all depends what your expectations are," said Zogby. "If they give an indication of where things are headed, where the trend line is, they're doing their job. They're a snapshot of a moment in time."

Through the years, pollsters have had to keep up with a changing society. Zogby said people used to be more willing to talk over landline phones.

"The response rates are very low. They're much lower when you're calling cell phones," he said. "When you're calling somebody on a cell phone, it's pretty annoying."

It's an annoyance that could be affecting the numbers we see in polls. Most national polls did point to a close presidential race, but also to Hillary Clinton defeating Donald Trump -- which didn't happen. Some national polls did get it right, but Zogby said polling this year was a challenge because so many people were undecided.

"Twelve, 15 percent of the voters tell us, 'I made up my mind even whether I was going to vote on election day, and then who I am going to vote for behind the curtain,' " Zogby said.

Moving forward, Zogby said pollsters will have to continue adjusting to the times.

"...I've always been for experimentation. I'm a pioneer in online polling, and I think that is the now as well as the future," said Zogby.

He added that polls do not necessarily determine the future.

"If I'm taking a snapshot Monday, my snapshot is Monday. It's not Tuesday," Zogby said.