In light of the announcement of the Chan Zuckerberg Initiative yesterday, this article from The Chronicle of Philanthropy, Young Tech Donors Take Leading Role in Philanthropy 50, is even more timely.
It's worth noting, as the article points out, that many tech donors have yet figured out their funding priorities. Older institutional donors like Gates obviously have and some, like Sean Parker, have a pet cause, but the bulk of giving is essentially financial "set asides" to community foundations or other holding entities. This is not surprising as many tech donors are still working full-time and not yet focused on philanthropy as their day job.
I would encourage tech donors to take more of a hybrid approach to their giving: try some new, bold ideas; support some "old school" institutions and organizations; and experiment with new models of giving, like the Chan Zuckerberg LLC that allow giving beyond 501c3 donations.