It's somewhat pointless to ask people without internet access if they're interested in logging into websites using another website account. So yes, that's the

It's somewhat pointless to ask people without internet access if they're interested in logging into websites using another website account. So yes, that's the web using subset of total population, totally fine for this question. That aspect is more of an issue if you want to use Google Surveys to determine whether to start a new supermarket on Main Street. I hope the Google Survey people propose some other service for such inquiries.