There is no one core problem (and consequently no one silver bullet), and I didn't say it was solved: I said that there is nothing new to write about the problem. I think it would have been a better use of your time to look for what's already been written -- seriously, you can't swing a dead cat without hitting a hundred takes of varying quality on the situation.
As for possibilities in addressing it, here's my shortlist:
I should note that none of these are original ideas, just the ones I think will have the greatest impact in the shortest amount of time. If you do a little research on your own, you'll see all of them and many, many more.
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