Ancestry.com Inc. has entered into a definitive agreement to acquire Archives.com, a family history website, for approximately $100 million in cash and assumed liabilities, the company announced yesterday. Ancestry.com will welcome a team of talented engineers, digital marketers, and family history innovators into the Ancestry.com fold and also gain access to a proprietary technology platform that has supported Archives.com's rapid growth. Archives.com is owned and operated by Inflection LLC, a Silicon Valley-based technology company. Since Archives.com's launch in January 2010, the site has rapidly grown to more than 380,000 paying subscribers who pay approximately $39.95 a year. Archives.com offers access to over 2.1 billion historical records, including birth records, obituaries, immigration and passenger lists, historical newspapers, and U.S. and U.K. Censuses. "Archives.com has built a fantastic and fast-growing business that we think is highly complementary...