time to time, in its sole discretion, and which includes SkypeOut, SkypeIn and Skype Plus. 1.42 "Skype Toolbar" means a proprietary software product, distributed by Skype and which Skype may update or upgrade from time to time, in its sole discretion, which enables the Skype Software to be activated directly from a toolbar appearing in another software application such as, without limitation, a Web Browser and/or an e-mail manager. 1.43 "Skype Zones" means the proprietary software product entitled "Skype Zones" distributed by Skype as of the Effective Date which enables the Skype Software to be accessed through Wi-Fi hot spots but for the avoidance of doubt does not include any updated or upgraded versions thereof. 1.44 "SkypeIn" means a feature of the Skype Software which allows a user of the Skype Software to receive calls from telephone numbers through the public switched telephone network ("PSTN"), the pricing for which shall be as set forth by Skype from time to time and for which pricing for the Company-Skype Branded Application will be the same as pricing set by Skype for customers using Skype Software subject to such modifications as are reasonably necessary to take into account the effect of applicable taxation, currency fluctuations and to comply with PRC regulations and provided that Skype shall be permitted from time to time to set prices which provide for the same gross margin as the prices set forth from time to time for non co-branded versions of SkypeIn. 6 Source: TOM ONLINE INC, 20-F, 5/1/2006 1.45 "SkypeOut" means a feature of the Skype Software which allows a user of the Skype Software to place calls from the Skype Software to telephone numbers through the PSTN , the pricing for which shall be as set forth by Skype from time to time and for which