<div class="gmail_quote">On Thu, Aug 6, 2009 at 15:02, Benjamin M. Schwartz <span dir="ltr"><<a href="mailto:bmschwar@fas.harvard.edu">bmschwar@fas.harvard.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div class="im">I merely mean that users are less likely to leave such a shared activity</div> "always on".<br> <div class="im"></div></blockquote><div><br></div><div>Good point, unless they forget about it (as they often do in pilots :) </div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div class="im">> Also, there is no method for "limited sharing".<br> <br> </div><div><div></div><div class="h5">Perhaps you are not aware of the Invitations mechanism? I can invite<br> people to an activity, and only those whom I have invited are aware of its<br> existence. Invitations were admittedly not very reliable in older<br> software versions; I haven't tried them recently.<br></div></div></blockquote></div><div><br></div>No, I wasn't. How secure is that?<br>-- <br>Luke Faraone<br><a href="http://luke.faraone.cc">http://luke.faraone.cc</a><br>