Mobile advertising is a form of advertising via mobile (wireless) phones or other mobile devices. It is a subset of mobile marketing, mobile advertising can take place as text ads via SMS, or banner advertisements that appear embedded in a mobile web site. It is estimated that U.S. mobile app-installed ads accounted for 30% of all mobile advertising revenue in 2014, and will top 6.8 billion by the end of 2019. Other ways mobile advertising can be purchased include working with a Mobile Demand Side Platform, in which ad impressions are bought in real-time on an Ad exchange. Another report has indicated that worldwide mobile digital advertising spend would reach 217 billion in 2019 and 4.6 billion as of 2009. Notably computers, including desktops and laptops, are currently estimated at 1.1 billion globally. Moreover, mobile advertising includes SMS and MMS advertising units in addition to the advertisement types served and processed via online channels. It is probable that advertisers and media industry will increasingly take account of a bigger and fast-growing mobile market, though it remains at around 1% of global advertising spend. Mobile media is evolving rapidly and while mobile phones will continue to be the mainstay, it is not clear whether mobile phones based on cellular backhaul or smartphones based on WiFi hot spot or WiMAX hot zone will also strengthen. However, such is the emergence of this form of advertising, that there is now a dedicated global awards ceremony organized every year by Visiongain. According to the research firm Berg Insight the global mobile advertising market that was estimated to €1 billion in 2008. Furthermore, Berg Insight forecasts the global mobile advertising market to grow at a compound annual growth rate of 43 percent to €8.