^ RF joined Twitter on 23 May with this -
Roger Federer @rogerfederer 23 May
A little (blue) bird told me that the place to be is @twitter, so here I am!
I've been looking at it from time to time and there have been quite a few PF type gems, such as -
Roger Federer @rogerfederer 5 Oct
Just leaving after an awesome Fans day.Will tweet out days highlights since tournament was nice enough to outfit our @MercedesBenz with Wifi
Roger Federer @rogerfederer 3 Sep
Thanks for all the kind messages I have gotten since last night! You guys are the best. You all inspire me to work hard everyday!
Roger Federer @rogerfederer 8 Aug
Thanks so much to all my fans for the bday wishes! @tennisfangirl, @teamfederinka, the video you (& the 150+ people in it) made was touching
Roger Federer @rogerfederer 18 Jul
Went to see a 3D movie, man there was a lot of steel!
Roger Federer @rogerfederer 3 Jul
I am happy to let you know that I will also be playing #Hamburg this summer, where I have many fond memories.
Nearly all his early tweets are accompanied by a pic, but apparently he cut that habit out when told by a fellow tweeter (possibly a friend or a fan) that, really, it was just a little OTT.