Hiogi is the newest Berlin startup with a funny name and an innovative concept. It takes the question and answer format to your mobile. So if you’re out and about in the streets of Berlin or if you just want to know why whales are so fat when swimming is supposed to be good for your health (real question), Hiogi is there to save the day. It works for smartphones—either enter mobile.hiogi.com or iphone.hiogi.com into your mobile browser and ask what you need to know. Or you can do the SMS method. Simply register, enter your twitter name and then follow hiogi on twitter. You can even ask a question by email if you want. All your questions will be answered within in minutes. You can even reserve a question for yourself to answer. Best of all, it’s completely free.