<p>Bill Gates has said many iPad and Android users are frustrated with the devices and is optimistic about the future for PC-tablets. Photograph: Zuma/Rex Features</p><p>Users of iPad and Android tablets might not have noticed, but a lot of them are "frustrated" because they "can't type, they can't create documents, they don't have [Microsoft] Office there". At least according to Bill Gates, who three years ago said of the iPad: "there's nothing on the iPad I look at and say 'Oh, I wish Microsoft had done it.'"</p><p>But with total iPad sales since April 2010 already past 141m, and total tablet sales according to IDC at 253m of which fewer than 2m are the Surface RT or Surface Pro one might wonder whether he's right.</p><p>Gates also says that a key problem for Microsoft in trying to grow its business in China is levels of piracy within government and large businesses there a problem that it doesn't face elsewhere and which has made it a "disaster" for revenue growth.</p><p><a href="http://www.guardian.co.uk/technology/2013/may/07/bill-gates-ipad-android-pc-tablets">Keep reading...</a></p><p>Read also:</p><p><a href="http://betabeat.com/2013/05/bill-gates-surface-ipad-keyboard-office-microsoft/">Bill Gates Can&#039;t Imagine Why You&#039;d Want a Tablet Without Microsoft Office</a> (Betabeat)</p><p><a href="http://www.techlife.net/computing/news/2012/7/get-microsoft-office-2013-for-free-right-now/">Get Microsoft Office 2013 for free right now</a> (Techlife)</p><p><a href="http://blogs.computerworld.com/windows/22159/bill-gates-swats-ipad-says-office-will-help-windows-8-tablets-rule">Bill Gates swats the iPad, says Office will help Windows 8 tablets rule</a> (Computerworld (blog))</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dz0hSMUnRy84f5MiWmT3IEKa4vwtM&ned=us">615 additional articles.</a></p>