Note: Things I Learn from the Internet is a series of post containing snippets of wisdom collected from stuff I read on the WWW which do not warrant a post in itself.
browserhacks: an extensive list of browser specific CSS and JavaScript hacks from all over the interwebs.
titanpad: lets people work on one document simultaneously (kinda like google docs)
Thunderclap: To create Twitterstorm (e.g. to make a hashtag make it to trending). If enough people support it, Thunderclap will blast out a timed Facebook Post or Tweet from all your supporters, creating a wave of attention.
Storyful: helps journalists, broadcasters and publishers filter breaking news, trending stories and local sources from the noise of social media.
flipsnack: a flipping book software that lets you convert PDF documents into Flash page flip digital publications that you can embed into your website.
f6s: Network for founders – apply for accelerators, pitch for investments, look for internships/jobs, etc.
Assignmint: Job management toolkit for writers and publishers.