"Responding to more feedback!" posted Vic Gundotra, a senior vice president of Social for Google, on late yesterday.

The comment follows a post that Gundotra wrote early Monday. "Lots of ," Gundotra wrote at 2:05 a.m. EDT Monday. "We are listening and working to address. Stay tuned for changes this week."

Today, he pointed to two changes. One change is a tool that helps + users find their friends and get them in their favorite circles.

"We've been listening to feedback from our users who want more flexible ways to find their friends on Google+," wrote Rohit Khare, a Google product manager, in a . "One of the most flexible tools is an address book uploader, and I wanted to share the good news that it will be rolling out to everyone over the next few days."

Khare noted that the new uploader tool is designed to avoid mixing up users' imported contacts with their other Google Contacts. "We only store the ones that you put into your Circles," he added.