I know there's a lot involved with changing but I recommend not necessarily a change of the brand DuckDuckGo but the domain name. It really ... seriously and I am not exaggerating, it's DuckDuckGo.com is unbearably uncomfortable to type. Now that you have funding, considering getting DDG.com or duckgg.com or something.. just not the full name.
FYI. Google.com is really easy to type.
Update: Thanks for pointing out ddg.gg