Currently, Twitter users who wish to post photos in their tweets must host them elsewhere, with popular options including Twitpic, Yfrog, Instagram and Flickr. Users then include links to the photos within their tweets. Link: Confirmed: Twitter Plans to Announce Photo-Sharing Service This Week – AllThingsD.

Startup Lessons Learned Startup business experience, shared by Eric Ries co-founder of IMVU. (tags: blog business blogs tips marketing people management startup daily businessmodel lessons startups entrepreneurship revenue articles metrics start start-up …)