I loathe policies about expiring passwords because it breeds insecurity in the manner you mention. However, my company has this same policy, not because its been evaluated as being a good policy, but because our SOX audits require it.
I have no inside knowledge, but I have generally found that things are usually not as good as people say they are, nor as bad as people say they are. Nevertheless, Yahoo clearly has some issues to resolve.
Perhaps they are wishing they had taken the Microsoft buyout offer?
I wonder what they would do to ensure a network would be available in remote or combat situations. Perhaps the investment in technology and research would benefit the private sector as well.
They mention that in the linked article. They have balloons that can provide cellular service in a 40 mile radius. Also, places like Afghanistan actually have workable cellular service.
If enough would choose opt out (despite the obvious intimidation tactics), then the entire process would become so inefficient that an easy, efficient alternate would be provided (or the scanners removed altogether). It would likely take a majority of people opting out though.
A similar tongue-in-cheek statement by SUN in 1999.
Since 32bit Unix time rolls over in 2038, they put out a Y2K notice warning about this and saying that they hoped everyone would have updated to the 64bit version by then.
I'm betting somewhere a vital 32bit system is going to fail in 28years time
My signature is company mandated, was done by our marketing department (along with all email signatures in our company) and includes 6 lines of contact information, an image of the company logo, and then a disclaimer paragraph (which only gets attached to external email). I don't know how prevalent this is, but many people may (like myself) have no control over the content of their signatures.