Credits: Facebook Fan Infographic © Moontoast.com. Please visit their site for a higher resolution version of this graphic.
Check out this history of Star Trek infographic from Space.com (shown below). It shows 45 years of the sci-fi shows history from Sept 8th 1966 until the current day and beyond:
Do You find it difficult when choosing categories in StumbleUpon? I know I do. So, here is the [unofficial] StumbleUpon Category List in one simple image for you to download. Here is a smaller sample below: