iAtlas Corporation | Patented Search Engine Technology that was acquired by CMGI/AltaVista and then merged into Yahoo! | Created and Patented the concept of "Filtered Search" across the Search Engine Industry. Also pioneered and launched the 1st internet-based, nationwide Yellow Pages using Dun & Bradstreet's Global Database and infoUSA's Yellow Page data. iAtlas was acquired by CMGI/Altavista in 1999 and later merged into Yahoo!