Browsers (916 programs)

Pros: Very convenient. Nice emoticons.

Cons: Pop-up window doesn't include on-going conversation. You must log into Google in a new browser window.

Pros: Highly customizable. Accessible from anywhere.

Cons: Not easy to get used to.

Pros: Single click action to add links to the newsletter. More professional way to start an online conversation.

Cons: Freemium service. No Android app yet.

Pros: One-click operation. Accessible from within Firefox.

Cons: Not many options.

Pros: Very simple and works instantly. Button hides discreetly on toolbar.

Cons: Not essential unless you need constant desktop access.

Pros: Integrates into IE7 perfectly. Supports multiple downloads.

Cons: Doesn't support resuming of downloads.