1.Physical safety (gender,location data).
2.Concern that your comments or behavior will be taken out of context, and potentially used against you in ways you can’t anticipate.
3.The bits and pieces of data that you leave behind could be amalgamated into something else. You might end up revealing something you never intended to (like your sexual orientation).
4.Data will help advertisers influence your behavior in ways you’re not aware of.
5.Freedom from tyranny.
6.People often behave in inconsistent and irrational ways.