“From 2008 to 2011, sales of professional and personal service robots more than double – from 5.5 million to over 11.5 million.”

Created by gwern on 2010-09-27; known on 2012-01-01; judged right by RandomThinker on 2012-05-13.

• gwern estimated 40% on 2010-09-27
• gwern said “http://www.futuretimeline.net/21stcentury/2010-2019.htm” on 2010-09-27
• gwern said “from my perspective in the US, I don’t see things like Roomba being very popular, certainly not doubling” on 2010-09-27
• Jayson Virissimo estimated 45% and said “I bought a Roomba last year. So far, I’m actually pretty impressed with it. If it breaks, I’ll probably get another robot (maybe not the same brand), rather than a manual vaccuum.” on 2012-05-13
• RandomThinker said “IRoomba sales – "Total home robots shipped in the three months ended March 31, 2012 were 392,000 units compared to 349,000 units in the three months ended April 2, 2011. " http://biz.yahoo.com/e/120504/irbt10-q.html” on 2012-05-13
• RandomThinker said ““Total home floor care robots shipped in the three months ended March 29, 2008 were approximately 169,000 units compared to approximately 129,000 units in the three months ended March 31, 2007. " ” on 2012-05-13
• RandomThinker said “http://yahoo.brand.edgar-online.com/displayfilinginfo.aspx?FilingID=5908070-59047-97448&type=sect&TabIndex=2&companyid=148691&ppu=%252fdefault.aspx%253fcik%253d1159167” on 2012-05-13
• RandomThinker said “349k/169k = 2.06, so I think this prediction came true for iRobot Corp. I don’t know about total industry” on 2012-05-13
• RandomThinker   judged this prediction right on 2012-05-13.