This Lower-Cost Roomba Needs Some Navigation Help Ifeadi C. 05:42 Feed: All Latest, Zero Tech Blog This is iRobot’s cheapest robot vacuum with automatic dirt disposal. But it also sacrifices some key navigational features. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsZack Snyder Left *Justice League*—Then He Made an iPhone MovieDonald Trump’s United Nations Speech Stokes North Korea TensionsGot a PS4? Add Virtual Reality for Only $300Udacity Launches an Online Course for Flying Car EngineersWaymo and Intel Combine to Power the Future of Self-Driving CarsThe Ellen Pao Effect Is What Happens After Lean In