Transcript for TechBytes: Twitter; Tom Hanks
In today's tech sites Twitter is vowing to review and improve its policies. It comes after Robin Williams -- daughters -- says she's abandoning Twitter. After disturbing images and attacks are posted in the wake of -- -- suicide. A new high tech head -- aims to make -- homer. The news monitors your brain waves while guiding you through a series of exercises that encourage you to manage stress and stay focused. USA today's -- -- tested out. -- this help improve my cognitive function and ability to relax. Honestly I don't know you really have to measure this over long period of time but I did feel good after eat exercise I can. See where this could help you over the long term and it's kind of fun. And Oscar winner Tom Hanks is now an app developer. His -- Hanks turns your iPad into an old typewriter and -- idea -- your tech -- I'm Michelle Franzen.
This transcript has been automatically generated and may not be 100% accurate.