blogging and forum posting helps
i found
this post of scott mitchell wherein one of his blog post was corrected by one of its readers. similarly, i always try to post developer topics in msforums or even in this blog to have some discussions especially with the gurus. primary reason is that there may be some ideas which i have believed in for years and i have continously used in my previous projects which might be wrong all along.
participating in forums made me even more productive since most problems that an average developer might encounter are frequently discussed so i already have an idea when it strike me. "hmmm wait, i saw this from msforums, let me search first..., there!", timesaver...