Last weeks cool stuff in the webd development blogs.

• Mapbox announced that they have a new technique serving vector map tiles which is super-awesome. Unfortunately this seems yet to be a closed beta

• You now can Detecting WebP support with Header Vary Accept on Apache servers

• Benedikt Kastl wrote a comparison of the current jpeg libraries and Photoshop does best!

• Yoav Weiss blogged his quick research results and found out that art-direction on responsive images might be a bigger thing than we all thought!

• I know jQuery. Now what? Remy Sharp telling you don't always need jQuery. I agree!

• Rodney Rehm wrote on Smashingmagazine: Thank God We Have A Specification! and is telling about the problems he experienced with CSS transitions. A super interesting in-depth article about browser implementations of standards.

• The Importance of finding your Un-Comfort zone requests you to push your limits by traveling into your 'uncomfort zone'.