Tom loves technology; similarly/for example, he has the latest cell phone.
for example
Some websites aren't reliable; as a result/on the other hand, many people are being misinformed.
as a result
Many airports offer inexpensive; nevertheless/in fact, at some it's even free.
in fact
Internet identity theft is something very serious; on the other hand/as a matter of fact, it can ruin your life.
as a matter of fact
Few people could have predicted recent advances in Internet technology; for example/likewise, predicting the future of the internet is difficult.
likewise
Many of my friends' computers have been damaged by viruses; nevertheless/therefore, I am going to update my antivirus software.
therefore