The published database is actually for the Foreign Labor Certification application (a.k.a LCA), which precedes making an H-1B application, and mostly approved. A certified LCA may not result into a successful H-1B petition though.
There have have few proposals that give blanket approval for spouses of H1-B: The Senate bill of 2013 does, and few House proposals as well, like the House SKILLS Visa Act (https://www.govtrack.us/congress/bills/113/hr2131/text).
I maybe pessimistic, but I haven't seen any progress in H-4 employment proposals recently and the article doesn't point to any particular proposal.
The Senate bill for Immigration reform passed the Senate last June, but the House isn't taking a vote on it.
The house in turn had similar proposals last year in committee, but House leadership has no plans of putting them to a general vote at least till November elections.
What's the benefit of opting out? Opting Out results into Google not providing better ads to you; Google may still track and categorize users and the collected information may still be used for other uses (e.g. personalized search/news, personalizing its own ad campaigns).
Scala has pretty nice concurrent programming support with its actors, which can even run distributed across machines: http://akkasource.org/ . Scala actors are modeled after Erlang.