Erik and Bob take your questions. Tesla reduces electric car prices in the United States as tax credit begins to phase out. China's censors reportedly learn "real" history to stop it from spreading online. Weather Channel app accused of deceptively amassing user location data. Apple profits slump as users opt for reduced cost battery replacements instead of new iPhones. A user who has an unstable, crashing five-year-old laptop wonders if he should fix it or replace it. A new laptop user wonders which anti-virus protection he should buy. We recommend using Webroot anti-virus along with OpenDNS web filtering to help keep your computer safe. An HP laptop user has problems keeping his laptop battery charged and properly calibrated. PepsiCo "snackbot" is a "vending machine on wheels" for college students. A caller wonders about which VPN service is best to use. We offer some advice plus a warning about improperly configured VPN services that can "leak" private information. A Galaxy S4 phone gets a restart message saying that the SIM card is not properly connected, plus gets a recommendation for a good consumer-grade laptop.