Gmail Labs. The list is pretty massive, so we’ve narrowed down our 10 favorite labs to help increase your email productivity. We’ve actually gone through our 10 favorite labs before, back when Labs was a bit younger. Now, many of those features are part of Gmail itself, so we’ve decided to revisit the labs and see what else Gmail has cooked up. To access these features in Gmail, just hit the green flask icon next to “Settings” in the Gmail web interface.

via Top 10 Gmail Labs You Should Enable.