WiFi hotspot to be available in Windows Phone Mango, called Internet Sharing
All of your Windows Phone users must have been pretty annoyed that you couldn't join in on the fun conversations with iOS and Android users talking about tethering costs from carriers. Well, WP Mango will get you in the game, because Pocket-lint has confirmed that Mango features a new option called "Internet Sharing", which seems to be standard WiFi hotspot functionality.
HTC Titan, and HTC Radar. However, HTC also said that Microsoft added the feature too late for it to be built into the Mango update for current phones.
The Mango update is still expected to be released in late September. HTC did not want to delay the update in order to add in the Internet Sharing option, but other manufacturers may delay their updates to include the feature.