Amazon started as an online bookstore but soon started selling DVDs, VHSs, software, Video games, electronics and, now, everything under the sun!
Nupedia, which was available in five different languages, was the precursor of Wikipedia. However, unlike the now popular online encyclopaedia, Nupedia wasn't "open" to everyone. Only selected people with expertise in their fields could write articles which were then reviewed by editors. [more...]