Shortened URLs are not always clickable


#1

Got a tweet we are asking members to share with their followers:

Thx 4 the free #bicmarkit permanent markers. Enter 36 days of spring colors sweeps No Purch Nec US.18+ Ends 6/14/13 http://on.fb.me/XLFLmf

This sometimes shows as:

Thx 4 the free #bicmarkit permanent markers. Enter 36 days of spring colors sweeps No Purch Nec US.18 Ends 6/14/13 http://on.fb.me/XLFLmf

but frequently comes across as:

Thx 4 the free #bicmarkit permanent markers. Enter 36 days of spring colors sweeps No Purch Nec US.18 Ends 6/14/13 http…

all of these are tweeted using our Twitter app. What would account for the different outcomes in tweeting? Is shortening the tweet our only option?

Thanks.