Just how many failed startups can Google afford?
simplyzesty.com
simplyzesty.com
Since they have had more high profile failures than high profile launches in the last 5-ish years, that leads to people not really trusting that any new product launch is going to be a winner. People having a "wait and see" mentality works fine for certain products (gmail, maps, news, etc would both be fine in that area) but it really kills anything that have social aspects (or economy of scale type products) like Buzz, Wave, Places, etc. These things just have significantly lower value if your IRL social network isn't using the product.