Responding to a comment over on Twitter, Samsung revealed that the virtual home button on board the Galaxy S8 and Galaxy S8+ slowly fades in and out when the Always-On Display mode is activated to prevent burn-in, which was a common concern amongst tech-savvy owners.

The folks over at Galaxy Club performed a simple test, and found that the button moves ever-so-slightly to prevent it from becoming permanently embedded on the handset’s Infinity Display. They also found that in line with the firm’s range of smartwatches, the clock moves around.