Good use of gifs: I like when people surprise me with a gif. This is the reaction by Teuxdeux when they managed to help me out with a problem. 

Blizzard customer support: is going the extra mile sometimes. 

Via Quora. 

Sales: thought this was an interesting way to keep cool from this Adobe sales rep.

Via jmerriman.

Customer support: customer support should start at the top. Here’s what happened to @goodonpaper after dealing with Paypal. Great text and involvement, next step: act.

Defensive design: here’s a great experience Jason Fried had when dealing with Nuts.com.

Right before the final checkout step, they explained that the upgraded packaging is good for about two days, but since I ordered on a Friday, my shipment might sit at the UPS/Fedex warehouse over the weekend which would push it out beyond two days. Then they made it really easy for me to change my ship date to Monday to help prevent the melt.

Via and image credits 37Signals.

On being specific: @dtelepathy asks “is there anything stopping you from purchasing Arrrows today?”. I like the fact that I’m asked directly why I’m not buying/doing something.

Instant help: @Panic have put significant weight on support in their redesigned homepage. Many returning customers will have questions, so why not make it as easy as possible for them?

Email support: ifttt’s (@ifttt) support emails are followed by a “follow us on Twitter: @ifttt”. Since you’re in touch and helping people out that are interested in your product you might as well remind them of another way to follow you.

Support Docs: Instapaper (@instapaper) handles the support docs with a little bit of humor. 

Support/conversion: Scribblenauts‘ app developers make it very clear that they will offer support when something isn’t working right where it matters most: above the screenshots.