I like stickers. When I was little, I had a collection. Now that stickers are associated with all my favorite web 2.0 products, it’s even better!
Here is a sampling of some of the stickers I’ve been finding at events (most notably, SXSW):
Creative Commons:

My favorite sticker: the social network VOIS.com stickers that let you meet others — which is opportune for a meet ‘n greet (there were plenty of those at South by Southwest!)

Lijit, a search engine for publishers. Lijit’s search powers this blog. Try it now!

Social Media Club, a community of people who love social media:

I Heart Cavemen party stickers:

bub.blicio.us, the site of my pal Brian Solis:

(The better quality sticker is on my laptop.)
Video search engine Blinkx:

SmartLinks by Adaptive Blue:

open.aim.com:

dev.aim.com:

dev.aol.com:

Linux Journal:

Seesmic, a video sharing community:

ustream.tv, a place to live-stream your events:

YouTube:

Mobile blogging site Utterz:

(More schwag from Utterz includes a stuffed cow and a wristband.)
Yahoo Interface Library:

Myxer.com for free ringtones and more:

Etelos online web application marketplace:

(Their tagline: You build the app – we take care of the crap)
Startup Weekend (an event that I know isn’t local/NY):

CenterNetworks, a blog on web 2.0 stuff.

kyte.tv, a video and photo sharing site:

Titty Bingo:

Upcoming, the social events site:

Sosauce, a life documentary site:

Operation Mom, a social network for mothers:
