Get short, timely messages from Christopher Penn.

Twitter is a rich source of instantly updated information. It's easy to stay updated on an incredibly wide variety of topics. Join today and follow @cspenn.

Get updates via SMS by texting follow cspenn to 40404 in the United States
Codes for other countries

Two-way (sending and receiving) short codes:
Country Code For customers of
Australia
  • 0198089488 Telstra
Canada
  • 21212 (any)
United Kingdom
  • 86444 Vodafone, Orange, 3, O2
Indonesia
  • 89887 AXIS, 3, Telkomsel
Ireland
  • 51210 O2
India
  • 53000 Bharti Airtel, Videocon
Jordan
  • 90903 Zain
New Zealand
  • 8987 Vodafone, Telecom NZ
United States
  • 40404 (any)

cspenn

  1. @Accuform You should ask @djwaldow about that.
  2. @zrdavis @TechCocktail Feel free, cspenn at gmail
  3. @webby2001 Paladins. /headshake
  4. #the5: Two stories from my childhood about information and how it informs my career today: bit.ly/JYwHZD
  5. #the5: Google's starting to warn people if your computer is infected with DNSChanger. Look for it: bit.ly/JYwHsC
  6. #the5: Canadian economist Jeff Rubin on the end of growth and petroleum's impact: bit.ly/JYwIwL
  7. #the5: Barry Ritholtz features a free 2 month trial of Bloomberg's daily economics briefing: bit.ly/JYwDJF
  8. #the5: Zero Hedge has a must-read real, no BS deal on Europe: bit.ly/JYwDsV
  9. Good Friday morning friends, and happy Geek Pride day! New friend? Welcome aboard: bit.ly/naEQmZ
  10. @webby2001 Gotta go the Warcraft way and shorten THAT to TL;DR.
  11. @katengh Thanks!
  12. @jimfields3 Following the folks chatting about Blogworld and Book Expo!
  13. @JeffCutler Yes. Go read Microstockdiaries.com - terrific resource for this kind of thing.
  14. #the5: How do you measure digital marketing ROI for B2B2C companies? Here's one method I wrote: bit.ly/JpTPyZ
  15. #the5: What's a good growth/attrition ratio for your email marketing list? bit.ly/JpTNHn
  16. #the5: Analytics nerds: Facebook rolls out unique user measurements in Facebook Insights: bit.ly/JpTMmY
  17. #the5: SEOMoz on how to build a content machine: bit.ly/KhZDs4
  18. #the5: Doc Searls has a fascinating read on after Facebook fails and online advertising generally: hvrd.me/JpTM6o
  19. Good morning friends from summery Boston. Feels that way, anyway. New friend? Welcome aboard: bit.ly/naEQmZ
  20. Are we connected on LinkedIn? We should be! All are welcome: cspenn.com/l or cspenn at gmail