Lewis (named after Meriwether Lewis) is an autonomous robot that performs the job of a wedding photographer: it attends social events, moves around, and takes digital photographs of people.
It is a research project of the Media and Machines Laboratory at Washington University in St.
Louis.
[1] Lewis has been featured on slashdot, on CNN's website, and in various North American newspapers.
In 2002, Lewis received -- and declined -- an invitation to Nelly's 24th birthday party.