A Free Anti-Virus Comparison: 5 Popular Choices Go Toe-To-Toe

A Free Anti-Virus Comparison: 5 Popular Choices Go Toe-To-Toe: "What is the best free antivirus? This is among the most common questions we receive at MakeUseOf. People want to be protected, but they don’t want to have to pay a yearly fee or use bloated security suites with unwanted features. I myself am a free antivirus user for these very reasons."

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How to Prolong Lithium-based Batteries - Battery University

How to Prolong Lithium-based Batteries - Battery University: "The lithium-ion battery works on ion movement between the positive and negative electrodes. In theory such a mechanism should work forever, but cycling, elevated temperature and aging decrease the performance over time. Since batteries are used in demanding environmental conditions, manufacturers take a conservative approach and specify the life of most Li-ion between 300 and 500 discharge/charge cycles."

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» Should I Leave My Laptop Plugged In All The Time?

» Should I Leave My Laptop Plugged In All The Time?: "More than one SuperUser reader was curious about the whole matter of laptop batteries and wall current. ClickUpvote inquires:

When your laptop’s battery is 100% charged, should you leave it plugged in so any battery power doesn’t get used, or will that cause overcharging, overheating, etc.? Should the laptop be unplugged when the battery level is 100%?"

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6 Best Add-ons for Productivity | The Den

6 Best Add-ons for Productivity | The Den: "Being productive requires focus and energy — and Add-ons! When you’re at school, at work or at home surfing the Web, these are the top six Firefox Add-ons that can help you get through your to-do list faster."

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