Possible Clues:

• Disclaimer shorthand, nowadays
• Disclaimer before some Internet comments
• Start of a web address?
• Online initialism
• "I'm just saying ...," in a chat room
• Point-of-view intro
• "It seems to me," in emails
• Preface to a point of view
• Modest 'As I see it to texters,'
• Blogger's "That's what I think"