I have been taking clients email addresses for ages and actually sent my first newsletter out yesterday (Sunday) via mail chimp. I put a link to my new web page and the result is that people looking at my web page has soared and also asked people to like my face book page, so have got a few new likes. Hardly business move of the century, but it's getting you out there. I've also reminded clients to use their 20% discount voucher before the end of March - visit the website for some inspiration etc. Have taken a couple of bookings today - they may be related....We are moving premises in March, so will also be able to use it to inform people of how the move is going. Don't want to overload people, but don't want them to forget me!!! Will aim for monthlyish. Hope that helps....garbled reply - sorry!!! Also, wouldn't send out again on a Sunday - lots of 'out of the office' replys, and looks like I'm sitting at home doing emails (which I was) lol x