We exchange plenty of documents daily: we send reports to our clients, exchange ideas and information with our colleagues and team members. Email is the major method to exchange information. However most of us also use various tools that allow to upload documents for easier viewing and / or collaboration. This post looks at 5 of those tools. Hopefully they will make your SEO reporting and knowledge exchange easier: Service Best feature Registration required Docstoc Powerful social media integration Yes TwitDoc Quick and easy No Docstoc Powerful social media integration Yes Calameo Readership statistics Yes Google Docs We know it so well, that we can’t even tell why we love it No, unless you don’t have an account with Google Docstoc Docstoc gives you two options: to either make your doc public or private (which means only those will see it who you send the link). After uploading, the document can be given: Title; Category and tags; Description. You can also organize your docs by folder, specify licensing and protection, choose the template. More features that you may love: Give your AdSense ID to earn commissions on people’s clicks on your documents; Tweet, share on Facebook and email the documents right after uploading them; Enjoy powerful LinkedIn integration: TwitDoc TwitDoc is a simple Twitter-based tool for instant document uploading and sharing on Twitter. It needs no sign-up but naturally requires Twitter login. This is really a one-click process. The Tweeted document looks like this when opened: The document has a very basic hit counter which helps you see how popular your tweet was. Zoho