Displays free memory.
1. Adds a digit on chrome toolbar, indicating how much memory is free (in Gb).
2. Indicator is updated every minute and any time when you remove/create tab, change options, or click on indicator.
2. Doesn't cause memory leaks and doesn't overload your cpu.
3. Uses green/yellow/red colors for indication high/average/low capacity of free memory
You can change defaults using options page.