I personally believe that the big speculators (hedge funds, institutional traders, etc) are controlling silver either up or down. If the "manipulation" theories are correct, then market fundamentals don't matter anyway.
I don't think industrial use means anything bull or bear towards silver right now. There are tons available for industrial use at today's prices (paper). Some pundits talk about how silver gets used up and is not recoverable, but I believe that is only true for the past couple of decades or so. Before that silver used in x rays and photography was recycled. Most of the electronic stuff we have today that uses silver didn't exist until fairly recently (20 or so years). Future uses will certainly "eat up" silver and not be economically feasible to recycle unless silver hit several hundred per ounce.
So I believe that somewhere there exists lots of stored silver in 1000 ounce bars just waiting for the right price to hit the market. I don't know what that price is. Also, lots of silver coinage from all over the world still being held by collectors, although lots does get melted each day, only to become 1000 ounce (or smaller) silver bars. so it is not being "used up" as some might say.
I still think that someday when/if the dollar really tanks that more people will flock to gold/silver and that will drive the price up to 100 or more per ounce.
Jim