Michael AringtonMichael Arington from TechCrunch posted the 2007 version of his list “Web 2.0 Companies I Couldn’t Live Without“.

Although this is just a alphabetical list of products he uses every day, Mr. Arington’s visionary skills and the success of his investments recommendations are well known in the online industry so if I was and advertiser or an investor I would keep a close eye on these companies:

800-Free-411 Amie Street Ask City
BlueDot Digg Flickr
Flock Gmail NetNewsWire
Netvibes Pandora Skype
Techmeme WordPress YouTube