Many people complain about their wordpress posts being indexed slowly, bla, bla...

Well, here's a little trick that should help you out.

Login to wordpress (wp-admin area)
Go to Settings > Writing and scroll down to the bottom.

Paste the following URL's into the update services area:

http://rpc.pingomatic.com/
http://www.a2b.cc/setloc/bp.a2b
http://api.feedster.com/ping
http://api.my.yahoo.com/RPC2
http://api.my.yahoo.com/rss/ping
http://www.blogdigger.com/RPC2
http://www.blogshares.com/rpc.php
http://www.blogsnow.com/ping
http://www.blogstreet.com/xrbin/xmlrpc.cgi
http://coreblog.org/ping/
http://ping.blo.gs/
http://ping.feedburner.com
http://ping.syndic8.com/xmlrpc.php
http://ping.weblogalot.com/rpc.php
http://www.popdex.com/addsite.php
http://rpc.blogrolling.com/pinger/
http://rpc.technorati.com/rpc/ping
http://rpc.weblogs.com/RPC2
http://topicexchange.com/RPC2
http://xping.pubsub.com/ping/
http://api.my.yahoo.com/rss/ping
http://api.moreover.com/ping
http://rpc.icerocket.com:10080/