Posterous does dead simple posting to Twitter of video, music, photo galleries, and documents. All a user has to do is send email to post@posterous.com and link their account with Twitter. Posterous is also a drop-in post-by-email replacement for twitpic. Posterous was also recently a finalist for Best Mobile Startup of 2008, as named by TechCrunch, GigaOm, VentureBeat and Silicon Alley Insider.

Spickr allows you to share photos on Twitter. You can even SMS or email them! If the photos are geotagged,...
When you sign-up at TwitterMail, you get a TwitterMail email address. If you send an email to that address it...