A few weeks ago, my friend Yvonne, who is in her early 30’s, invited both friends and family to a party. Her mother-in-law was particularly excited to attend because Yvonne’s college friend, Dave Gilbert, was a fellow party-er.  Gilbert, Yvonne’s mother-in-law had recently discovered, had designed her favorite computer game.  (Gilbert is owner of Wadget Eye Games .)
This cute …