[samstave]

People forget about IM.

For all #1 items, IM the link. It is temporary, and ephemeral.

For all #2 items, email them.

[mctx]

But which IM? Gmail chat? Facebook PM? Twitter DM? MSN? AIM? Skype? iMessage?

[Arelius]

Really? Because if I want a quick response, I normally get better luck with a messenger.