Yahoo retains your data for 18 months because its in your best interest

One time not long ago, Yahoo made it clear that it was all about online privacy,user anonymity and the ability to use their services without feeling like it was a page out of 1984.

Times have changed, and with it, so has Yahoo’s data retention plans. Once they would hold it for 90 days and now a year and a half. Apparently its for more targeted ads, but in truth, like many things, data can be used far beyond the scope of a promise and the policy which that data is governed changed at a moments notice