You can do many things in SecondLife if you own a company, e.g. advertise
Two types of advertising connected with Second Life must be separated. There is advertising with Second Life and advertising in Second Life. The difference? Advertising with Second Life relates to using Second Life in Marketing. Advertising in Second Life relates to all measures and activities within the Second Life world to promote and support an offer, a product, service or corporate.
Since SL is quite new, this is a whole new ball game. Basically marketers in SL have all possibilities that the system enables them to use: Billboards, movies, avatars ...
All advertising activities can be divided in two groups. First there are the activities in the real world that are put to use in the virtual world (i.e. ads, poster, movies). And then there are activities that are solely possibly in the specific world of SL (i.e. avatars or an SLURL). Here is a very small selection of activities.
Activities from the real world, brought to SL:
Billboards, ads and movies
Put up on prominent places. With the possibility to trigger interactive action right from the media.
Specific activities in the SL world:
Optimize and use the search function embedded in the second Life software.
SLURL
Embedded in blogs or websites to teleport target groups to you location
Title tags
The title tag should imply keywords and a description of the offer.
As mentioned: This is a small selection. Possibilities are growing with each day.