Before I put these links together I took a look at the Astros players Twitter feeds to determine what exactly they're using them for.
The Business Side of Baseball
More Than Pictures on Twitter: Inside Early MLB Attendance
By Maury Brown
10 Good and Not So Good Things About MLB: Part 1 - The Not Good
By Maury Brown
10 Good and Not So Good Things About MLB: Part 2 - The Good
By Maury Brown
BOB: Bud Selig speaks
By Brian Borawski
The Draft
2012 Baseball Mock Draft: April Edition - Minor League Ball
John Sickels and Matt Garrioch flip-flop picks in their latest mock draft.
On the Field
The Aesthetic Argument Against Home-Plate Collisions - Baseball Nation
By Grant Brisbee
Trade Candidate: Brett Myers: MLB Rumors - MLBTradeRumors.com
By Ben Nicholson-Smith