This has been an elusive topic, and I haven't yet been able to form my own conclusion about what Google's reasoning is to make a given button blue, red, or gray, given their latest design ethos. Take ...
When you +1 something on Google or Google+, the +1 button becomes red and clicking this red button will remove your +1 in the post. Why was it designed like this? Changing the button color to red ...
I am talking about this button: The plus sign that used to be on that button has been removed in recent versions. I am very intrigued as to why they might have found it convenient. I'm a ...