Daniel
Favorite Answer
Category's are still there they just changed the way it was Set up its just not on the Left side of the Page anymore now its all in the Center
If you want it the old way there is one Trick I can tell you Not sure if it will stay or not Yahoo may take that out later on but for now you can access the old way by clicking on your Username on the Right side of the page then click on Edit Preferences and you should see the Category's are Back on the Left side of the Page
Weasel McWeasel
They tried to make the site more acessible to mobile users and basically lost everyone else in the process.
Anonymous
Categories are all still here, just not listed on the left any more. After the sale of Yahoo to Verizon, the site hasn't been a priority, but that could change at any time.
SOT3
They tried to modernize the site while laying off staff. It was not a good combination. As to categories, you can always see them by going to your profile and clicking on edit preferences.
The Oracle of Omigod
Go to any answer. Click on all categories and they will show up.