There is both speech and reach. It is good people run their own sites and blogs and use all the big services to point back to their own stuff, but for the world to get better people have to learn to seek out different and interesting stuff again
Back in the day you’d go to Lycos, Hotbot, Yahoo and Altavista and get totally different results. Today, DuckCuckGo is looking nearly identical to Booble.
When sites like StumbleUpon and Delicious started dying off, we started to see the end of true exploration on the web.