I’ve been curious about that myself. On one hand, it still seems far away. On the other hand, it’s a bit over 13 years away now and I have gear actively in use that’s older than that today.

I’d say their search results have been in decline for some time now, though quality has taken a particularly big hit the past year or so. I’d switch to someone else, but I haven’t found a decent alternative yet. As poor as DDG’s results are, they are still a few rungs above the rubbish Google spits out.

1 can also fill up if the flow from the faucet is higher than what can exit through the pipe connecting to 2.