Tikker's Clairvoyant Watch and Other Top Comments

1. 

   Tikker Is a Watch That Counts Down Your Life

   Tikker brought out the author of dramatic irony in readers like Jennifer Kane.

   Image: Flickr, Steve Johnson

2. 

   Tikker Is a Watch That Counts Down Your Life

   Megan Taylor weighed the pros and cons of being able to plan for your own death, and wondered if ignorance might be bliss when it comes to life and death.

   Image: Flickr, Steve Johnson

3. 

   World's Fastest Computer Will Operate Like a Human Brain

   While many readers jumped to conclusions about how powerful a computerized brain would be, Phil Phil reminded us that raw brain power is regularly put to waste.

   Image: Flickr, _DJ_

4. 

   World's Fastest Computer Will Operate Like a Human Brain

   The Human Brain Project's end goal is thrilling, but Mike Kim reminded other readers that scientists still have a long way to go before achieving that goal.

   Image: Flickr, _DJ_

5. 

   A Whole New Yahoo Mail: Flickr Themes and Storage Boost

   While many readers were excited about Yahoo Mail's revamp, Stephen Abbott seemed to think it was too little, too late.

   Image: Flickr, Satyendra Kumar

6. 

   A Whole New Yahoo Mail: Flickr Themes and Storage Boost

   Many readers, like Rajkumar Pn, couldn't help but notice that Yahoo Mail's sleek new look bears quite a resemblance to Gmail.

   Image: Flickr, Satyendra Kumar

7. 

   How Severe Is Our Screen Addiction?

   While many reader were shocked by the amount of time we spend in front of screens, Jamie McDermott suggested we embrace the efficiency afforded to us by technology.

   Image: Flickr, Pablo Ruiz Muzquiz

8. 

   How Severe Is Our Screen Addiction?

   Like many readers, Muchemwa Sichone experienced an epiphany while reading our piece about screen addiction.

   Image: Flickr, Pablo Ruiz Muzquiz

When Tikker introduced a watch that counts down your life this week, Mashable readers responded with a mixture of anxiety and a desire to carpe diem.

News of the Human Brain Project, a research effort to engineer a computer that mimics our brain's behavior, produced similarly mixed reactions. The project's intended output would be a scientific feat, but many readers weren't ready to see the line between human and computer made so thin.

See also: 7 Fantastic Calendar Apps To Keep You on Schedule

In other news: Yahoo Mail's makeover impressed some readers, while others were quick to note how similar the upgrade's appearance was to that of Gmail.

Regardless of their email preferences, many users found themselves evaluating their daily habits based on data detailing how much time the average person spends in front of a screen every day.

Which stories kept your eyes locked on the screen this week? Let us know in the comments, below.

Image: Flickr, Junichi Ishito