I do use both StartPage and DDG, although it's more like a 80%-19% split between these two. The remaining 1% is still on Google to get things like news, and Self-Destructing Cookies [1] helps keep things clean on that front.
[1]: https://addons.mozilla.org/en-US/firefox/addon/self-destruct...
There is a reason that Page and Brin are billionaires: their algorithm was absurdly clever.
For example, '!g hacker news' becomes 'https://encrypted.google.com/search?hl=en&q=hacker%20news'.
I've been doing that for a few years now. I only need to log in for GMail, basically. At once or twice a day max, it's not a big hassle at all.
In particular, I find that YouTube is much more useful if you're logged out. At least then the sidebar contains related or similar videos, instead of the stuff I watched last week.
However, how does Startpage make money?
In fact, how does DDG plan to make money?