Shake Speak is a an amazing tool that allows you to create a poll and let your audience vote via the web, text or even Twitter. The poll is embedded in PowerPoint and the result are shown in real time: the audience votes, you see it.
Google Drive is a cloud based storage service that lets you store anything you like in the cloud and share with anyone you like. You can also create, edit and share documents, presentations, spreadsheet and more in real-time in the cloud. In addition to this, you can create form that publish to the web and collect feedback directly into a spreadsheet.
(Featured Image adapted from: trailofdata)