You can add a little bit of you to your account, by adding your photo to your account.
Click on your name in the header bar, and then click on the blank image corresponding to your name. The Change Account Photo window appears as below.
Click on Select an Image button and select the image from your computer. The image is uploaded.
You can also change the image. Click on Remove Image button, the image is removed and you can upload the new image.
Click on Close button.