We use Lync (msn messenger) internally and if someone hasn't responded to an email I ping them on that, ring them up, or even wander over and chat depending on

We use Lync (msn messenger) internally and if someone hasn't responded to an email I ping them on that, ring them up, or even wander over and chat depending on our relationship. There are plenty of folks I know with 100+ unread emails this week and a bunch of them will never get seen. So imo another email isn't the most effective way to resolve it.