You may have seen some of the beautiful maps of building ages that have been cropping up around the internet. I first noticed an amazing one of Portland, and then another great one of Brooklyn. I ...

3D map of the world: You can now zoom in on almost any place on Earth and see every building laid out in three dimensions, from centuries-old homes in Edinburgh to the glass skyscrapers of Shanghai. A ...

Earlier today we revealed that Apple was re-building maps from the ground up. These are some questions from readers that came up when we went live. You can ask more questions here and I’ll try to add ...