Just how slight is the change? Google moved the second "g" slightly to the right and the "l" slightly to the right and lower. Here's a GIF of the logo, before and after:
The search giant ack**wledged the Change in an emailed statement to Mashable. "Great to see people **tice and appreciate even single-pixel changes — we tweaked the Logo a little while ago to make sure it looks its sharpest regardless of your screen resolution." Read more...