Tech Talk – 2/1/14

Disappearing iMac apps, blocking robo calls (NoMoRobo.com), eBook readers (Kindle vs. Nook), VoIP options (Vonage, Skype, Ooma), controlling TV with Wi-Fi (Logitech Harmony Link reviewed), data backup revisited, Profiles in IT (Sheryl Kara Sandberg, Facebook COO), Chromecast (stream media to your TV with mobile control, $35), and eBook readership (dominated by the younger and wealthier).