Well, I'd say that if theyre old enough to name private parts, or are starting to talk about pee-pees then they are definitely too old to bathe with their parents. My 2 and 4 yr. old know not to look at people when they are undressing/dressing, and/ or going potty. Little kids need privacy, too.
Jack Dorsey (born November 20, 1976) is an American programmer and entrepreneur widely known as a co-founder and CEO of Twitter, and as the founder and CEO of Square, a mobile payments company. In 2008, he was named to the MIT Technology Review TR35 as one of the top 35 innovators in the world under the age of 35.
Twitter was created in March 2006 by Jack Dorsey, Evan Williams, Biz Stone, and Noah Glass and launched in July 2006. The service rapidly gained worldwide popularity, with more than 100 million users posting 340 million tweets a day in 2012.