As the Kardashian's popularity increases, stepfather Bruce Jenner does what he can to keep them level-headed and grounded. However, Jenner worries that their increasing fame may have negative consequences, he said on 'Today' (weekdays, 7AM ET on NBC).

"I've noticed the kids have gotten more recognizable ... I've tried to do my best to try to keep them very grounded in all of this, and how blessed they are because of the situation they're in," Jenner said. "But with that comes a lot of pitfalls. There's a lot of bumps in the road ... It's a different world today. And, [with] the Internet today, things don't go away. It's tough."

Watch the video after the jump.As the Kardashian's popularity increases, stepfather Bruce Jenner does what he can to keep them level-headed and grounded. However, Jenner worries that their increasing fame may have negative consequences, he said on 'Today' (weekdays, 7AM ET on NBC).

"I've noticed the kids have gotten more recognizable ... I've tried to do my best to try to keep them very grounded in all of this, and how blessed they are because of the situation they're in," Jenner said. "But with that comes a lot of pitfalls. There's a lot of bumps in the road ... It's a different world today. And, [with] the Internet today, things don't go away. It's tough."