ListBot was a large email list hosting service originally created by Submit It! Inc., a privately held company based in Bedford, Massachusetts

Bedford, Massachusetts

Bedford is a town in Middlesex County, Massachusetts, United States. It is within the Greater Boston area, north-west of the city of Boston. The population of Bedford was 13,320 at the 2010 census.- History :...

. In June 1998, ListBot became part of LinkExchange

LinkExchange

LinkExchange was a popular internet advertising cooperative, originally known as Internet Link Exchange or ILE.It was founded in March 1996 by 23-year-old Harvard graduates Tony Hsieh and Sanjay Madan. Ali Partovi later joined them as a third partner...

, which acquired Submit It! Inc. In November 1998, ListBot became a Microsoft

Microsoft

Microsoft Corporation is an American public multinational corporation headquartered in Redmond, Washington, USA that develops, manufactures, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions...

 property via the acquisition of LinkExchange.

As of January 2000, ListBot was used by over a half million individuals and businesses, sending email to more than 20 million subscribers. In August 2001, Microsoft shuttered the site in favor of the Redmond

Redmond, Washington

Redmond is a city in King County, Washington, United States, located east of Seattle. The population was 54,144 at the 2010 census,up from 45,256 in 2000....

-developed ListBuilder.