September 2007:
T-Mobile's Fraudulent "WiFi Phone" Offerings (September 7, 2007)
April 2007:
HUSD Board Insults Teachers, Community (April 14, 2007)
Hayward Teachers Strike: School District Mismanagement (April 3, 2007)
Why I Decided Not to Become a Teacher (April 3, 2007)
January 2007:
August 2006:
June - September, 2002:
Receiving Criticism (memoir) (Sept. 28, 2002)
Is This Contact Lens Defective? (Sept. 5, 2002)
Considering Another Career Change: Teaching? (June 2, 2002; updated in August & Sept.)
April, 2002:
Personal Video Recorders: TiVo, ReplayTV, Ultimate TV -- R.I.P. (April 21, 2002)
And Still We Rise: Read It! (April 12, 2002)
February, 2002:
In the Company of Good and Evil: An Awful, Hateful Book (Feb. 21, 2002)
Dot.Con: Unoriginal and Riddled With Errors (Feb. 10, 2002)
Two New Business Books I Don't Recommend (Gonzo Marketing & Survival is Not Enough) (Feb. 3, 2002)
The MouseDriver Chronicles : Read It! (Feb. 2, 2002)
January, 2002:
Republic.com: Can Internet Filtering Harm Democracy? (Critique of Cass Sunstein's book) (Jan. 21, 2002)
December, 2001:
The AT&T/Excite@Home Fiasco: What Went Wrong? (Dec. 2, 2001)
October, 2001:
Focus, Focus, Focus (e-commerce business) (Oct. 29, 2001)
Dot.Bomb: You Must Read This Book (about Value America) (Oct. 26, 2001)
Public Surveillance Cameras (Oct. 15, 2001)
Terrorism in America (Oct. 15, 2001)
Update: Mark Welch's Stock Market Investments (Oct. 15, 2001)
December, 1999:
I Got Bit by a Y2K Bug (Quicken.com Blames S&P) (December 31, 1999)
Blown to Bits : You Must Read This Book (Dec. 28, 1999)
Mark Welch Goes to the Market (investing new money) (original: Dec. 21, 1999; updated Oct 15, 2001)
Thoughts on Priceline.com and LastMinuteTravel.com (Dec. 11, 1999)
Trust But Verify: Internet Service Providers, Direct Email, and Investments (Dec. 11, 1999)