I would want to invest in:

developer

• github
• heroku
• kiss metrics
• new relic
• sendgrid
• twilio
• typekit

consumer

• foodler
• foursquare
• twitter
• tumblr
• vimeo
• zipcar

pass

I would pass on:

• adaptive blue
• atlassian
• brightkite
• cotweet
• confluence
• cuil
• digg
• dropbox
• facebook
• get satisfaction
• going
• linkedin
• loopt
• pandora
• stumbleupon
• tech target
• the ladders
• zynga

short

If I knew how to do it, I would short the stock of these companies:

• adobe
• microsoft
• yelp

public companies

Companies I do own stock in:

• amazon
• apple
• google
• green mountain coffee
• iac
• whole foods