> access to friend data has always been more limited than you imply here, and more recently, it’s become so limited that using apps for data collection about fr

> access to friend data has always been more limited than you imply here, and more recently, it’s become so limited that using apps for data collection about friends is almost a pointless endeavor. Not sure what was limited, but you were able to get name, age, location, gender, photo, categories set (the profile stuff that I don't think many use any more), and other info. That seems more than enough to start building a profile on someone that you have no relationship with. Particularly if you're able to collect in quantity and join the dots. > more recently, it’s become so limited that using apps for data collection about friends is almost a pointless endeavor. I was aware it had changed some, but not when or how much. You seem to agree that it used to be useful for data gathering on friends. That's less than ideal when most of us have connections to teen, and elderly, relatives who might be insufficiently suspicious of a fun questionnaire. To over-generalise a little neither group is renowned for tech awareness.